import { ConvexError, v } from "convex/values";
import { internal } from "./_generated/api";
import type { Doc, Id } from "./_generated/dataModel";
import type { MutationCtx, QueryCtx } from "./_generated/server";
import { action, internalAction, internalMutation, internalQuery, mutation } from "./functions";
import { applyGitHubSkillVerificationResultHandler } from "./githubSkillSync";
import { assertAdmin, assertModerator, requireUser } from "./lib/access";
import { Events, logEvent } from "./lib/observabilityEvents";
import { normalizePackageName } from "./lib/packageRegistry";
import { normalizePackageScanStatus } from "./lib/packageSecurity";
import { assertCanManageOwnedResource } from "./lib/publishers";
import {
  getRuntimeRolloutCapabilities,
  isLegacyNvidiaSkillSource,
} from "./lib/rolloutCapabilities";
import { sourceSkillVersionFiles } from "./lib/skillCards";
import {
  getSkillBySlugForPublisher,
  resolveLegacySkillBySlugOrAlias,
  resolvePublisherByOwnerHandle,
} from "./lib/skills/slugResolution";
import {
  chunkSkillScanRequestFiles,
  MAX_SKILL_SCAN_REQUEST_FILE_CHUNKS,
  MAX_SKILL_SCAN_REQUEST_MANIFEST_BYTES,
  serializedSkillScanRequestFilesBytes,
} from "./lib/skillScanRequestFiles";
import { getSkillsShFixtureEnvironmentPolicy } from "./lib/skillsShCatalogEnvironment";
import {
  isExactSkillsShCatalogAttempt,
  shouldPublishSkillsShCatalogEntry,
} from "./lib/skillsShCatalogPublication";
import { redactWorkerPublicText } from "./lib/workerTextRedaction";
import { requestSecurityScanDispatch } from "./securityScanDispatch";

const DEFAULT_VT_WAIT_MS = 10 * 60 * 1000;
const DEFAULT_LEASE_MS = 60 * 60 * 1000;
const MAX_ATTEMPTS = 3;
const DEFAULT_CODEX_SCAN_CLAIM_LIMIT = 64;
const MAX_CODEX_SCAN_CLAIM_LIMIT = 512;
const MAX_EXPIRED_CODEX_SCAN_LEASE_REQUEUES = 512;
const DEFAULT_FAILED_SCAN_RECOVERY_LIMIT = 250;
const MAX_FAILED_SCAN_RECOVERY_LIMIT = 1000;
const FAILED_SCAN_RECOVERY_SAMPLE_LIMIT = 20;
const DEFAULT_CANCEL_SCAN_LIMIT = 1000;
const DEFAULT_CANCEL_DELETE_LIMIT = 500;
const MAX_CANCEL_SCAN_LIMIT = 5000;
const CANCEL_SAMPLE_LIMIT = 20;
const DEFAULT_PRUNE_SKILL_SCAN_REQUEST_LIMIT = 10;
const MAX_PRUNE_SKILL_SCAN_REQUEST_LIMIT = 10;
const DEFAULT_BULK_RESCAN_BATCH_SIZE = 50;
const MAX_BULK_RESCAN_BATCH_SIZE = 100;
const MAX_BULK_RESCAN_STATUS_JOB_IDS = 200;
const BULK_RESCAN_SAMPLE_LIMIT = 10;
const MAX_STORED_SKILLSPECTOR_ISSUES = 25;
const MAX_STORED_SKILLSPECTOR_TEXT_CHARS = 2_000;
const MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS = 512;
const DEFAULT_SKILL_SCAN_REQUEST_RETENTION_MS = 7 * 24 * 60 * 60 * 1000;
const MAX_SKILL_SCAN_QUEUE_POSITION_READS = 250;
const MAX_SKILL_SCAN_RUNNING_COUNT_READS = 512;
const MAX_SECURITY_SCAN_QUEUE_HEALTH_READS = 512;
const GITHUB_SKILL_SCAN_ACTION_LEASE_MS = 15 * 60 * 1000;
const SKILL_SCAN_ASYNC_NOTE = "Scans are asynchronous and may take time to complete.";

const finalLlmAnalysisStatuses = new Set(["clean", "suspicious", "malicious"]);
const artifactBackedLlmAnalysisStatuses = new Set(["clean", "benign", "suspicious", "malicious"]);

async function isGitHubSkillScanAllowed(
  ctx: Pick<MutationCtx, "db">,
  githubSourceId: Id<"githubSkillSources">,
) {
  if (getRuntimeRolloutCapabilities().githubSkillSync.runtimeEnabled) return true;
  const source = await ctx.db.get(githubSourceId);
  return Boolean(source && isLegacyNvidiaSkillSource(source.repo));
}

async function assertGitHubSkillScanAllowed(
  ctx: Pick<MutationCtx, "db">,
  githubSourceId: Id<"githubSkillSources">,
) {
  if (!(await isGitHubSkillScanAllowed(ctx, githubSourceId))) {
    throw new ConvexError("GitHub Skill Sync rollout is disabled");
  }
}

type CancelSkipReason =
  | "not-queued"
  | "not-vt-update"
  | "not-queued-vt-update"
  | "malicious-signal"
  | "missing-target-id"
  | "missing-target"
  | "missing-llm-analysis"
  | "non-final-llm-analysis"
  | "delete-limit-reached";

type JobTarget = {
  job: Doc<"securityScanJobs">;
  skill?: Doc<"skills"> | null;
  version?: Doc<"skillVersions">;
  release?: Doc<"packageReleases">;
  scanRequest?: Doc<"skillScanRequests">;
  scanRequestFiles?: Doc<"skillScanRequests">["files"];
  githubScan?: Doc<"githubSkillScans">;
  missing?: true;
};

type ExistingLlmAnalysis = {
  status?: string;
  verdict?: string;
};

type SkillSpectorIssueForStorage = {
  issueId: string;
  category?: string;
  pattern?: string;
  severity: string;
  confidence?: number;
  file?: string;
  startLine?: number;
  endLine?: number;
  explanation: string;
  remediation?: string;
  finding?: string;
  codeSnippet?: string;
};

type SkillSpectorAnalysisForStorage = {
  status: string;
  score?: number;
  severity?: string;
  recommendation?: string;
  issueCount: number;
  issues: SkillSpectorIssueForStorage[];
  scannerVersion?: string;
  summary?: string;
  error?: string;
  checkedAt: number;
};

async function resolveSkillForRescan(ctx: MutationCtx, slug: string, ownerHandle?: string) {
  const normalizedSlug = slug.trim().toLowerCase();
  if (!normalizedSlug) throw new ConvexError("Slug required");

  if (ownerHandle) {
    const { requestedHandle, publisher } = await resolvePublisherByOwnerHandle(ctx, ownerHandle);
    if (!publisher) throw new ConvexError(`Owner @${requestedHandle ?? ownerHandle} was not found`);
    return await getSkillBySlugForPublisher(ctx, normalizedSlug, publisher);
  }

  const resolved = await resolveLegacySkillBySlugOrAlias(ctx, normalizedSlug);
  if (resolved.ambiguous) {
    throw new ConvexError(
      "Slug is used by multiple publishers. Use ownerHandle to rescan a specific skill.",
    );
  }
  return resolved.skill;
}

type StoredScanArtifactKind = "skill" | "plugin";

const jobSourceValidator = v.union(
  v.literal("publish"),
  v.literal("vt-update"),
  v.literal("backfill"),
  v.literal("bulk-rescan"),
  v.literal("manual"),
  v.literal("skills-sh-catalog-test"),
);

type SecurityScanJobSource =
  | "publish"
  | "vt-update"
  | "backfill"
  | "bulk-rescan"
  | "manual"
  | "skills-sh-catalog-test";
const codexScanWorkerLaneValidator = v.union(
  v.literal("priority"),
  v.literal("shared"),
  v.literal("catalog"),
);

type CodexScanQueueHealth = {
  snapshotAt: number;
  queueDepth: number;
  queueDepthIsEstimate: boolean;
  readyQueueDepth: number;
  readyQueueDepthIsEstimate: boolean;
  oldestReadyJobAgeSeconds: number;
  oldestReadyJobNextRunAt: number | null;
};

const CLAIM_SOURCE_ORDER: SecurityScanJobSource[] = [
  "publish",
  "backfill",
  "vt-update",
  "bulk-rescan",
  "skills-sh-catalog-test",
];

const SOURCE_PRIORITY: Record<SecurityScanJobSource, number> = {
  manual: 5,
  publish: 4,
  backfill: 3,
  "vt-update": 2,
  "bulk-rescan": 1,
  "skills-sh-catalog-test": 0,
};

function higherPrioritySource(
  current: SecurityScanJobSource,
  requested: SecurityScanJobSource,
): SecurityScanJobSource {
  return SOURCE_PRIORITY[requested] > SOURCE_PRIORITY[current] ? requested : current;
}

type EnqueueSkillVersionScanArgs = {
  versionId: Id<"skillVersions">;
  source: SecurityScanJobSource;
  priority?: number;
  waitForVtMs?: number;
  preserveActiveJob?: boolean;
  preserveExistingJob?: boolean;
};

type EnqueuePackageReleaseScanArgs = {
  releaseId: Id<"packageReleases">;
  source: SecurityScanJobSource;
  priority?: number;
  waitForVtMs?: number;
};

const llmAgenticRiskEvidenceValidator = v.object({
  path: v.string(),
  snippet: v.string(),
  explanation: v.string(),
});

const llmAgenticRiskFindingValidator = v.object({
  categoryId: v.string(),
  categoryLabel: v.string(),
  riskBucket: v.union(
    v.literal("abnormal_behavior_control"),
    v.literal("permission_boundary"),
    v.literal("sensitive_data_protection"),
  ),
  status: v.union(v.literal("none"), v.literal("note"), v.literal("concern")),
  severity: v.string(),
  confidence: v.union(v.literal("high"), v.literal("medium"), v.literal("low")),
  evidence: v.optional(llmAgenticRiskEvidenceValidator),
  userImpact: v.string(),
  recommendation: v.string(),
});

const llmRiskSummaryBucketValidator = v.object({
  status: v.union(v.literal("none"), v.literal("note"), v.literal("concern")),
  summary: v.string(),
  highestSeverity: v.optional(v.string()),
});

const llmAnalysisValidator = v.object({
  status: v.string(),
  verdict: v.optional(v.string()),
  confidence: v.optional(v.string()),
  summary: v.optional(v.string()),
  dimensions: v.optional(
    v.array(
      v.object({
        name: v.string(),
        label: v.string(),
        rating: v.string(),
        detail: v.string(),
      }),
    ),
  ),
  guidance: v.optional(v.string()),
  findings: v.optional(v.string()),
  agenticRiskFindings: v.optional(v.array(llmAgenticRiskFindingValidator)),
  riskSummary: v.optional(
    v.object({
      abnormal_behavior_control: llmRiskSummaryBucketValidator,
      permission_boundary: llmRiskSummaryBucketValidator,
      sensitive_data_protection: llmRiskSummaryBucketValidator,
    }),
  ),
  model: v.optional(v.string()),
  checkedAt: v.number(),
});

const skillSpectorIssueValidator = v.object({
  issueId: v.string(),
  category: v.optional(v.string()),
  pattern: v.optional(v.string()),
  severity: v.string(),
  confidence: v.optional(v.number()),
  file: v.optional(v.string()),
  startLine: v.optional(v.number()),
  endLine: v.optional(v.number()),
  explanation: v.string(),
  remediation: v.optional(v.string()),
  finding: v.optional(v.string()),
  codeSnippet: v.optional(v.string()),
});

const skillSpectorAnalysisValidator = v.object({
  status: v.string(),
  score: v.optional(v.number()),
  severity: v.optional(v.string()),
  recommendation: v.optional(v.string()),
  issueCount: v.number(),
  // Scanner/action boundaries cap this array before storage; Convex validators cannot express max length.
  issues: v.array(skillSpectorIssueValidator),
  scannerVersion: v.optional(v.string()),
  summary: v.optional(v.string()),
  error: v.optional(v.string()),
  checkedAt: v.number(),
});

const scanRequestFileValidator = v.object({
  path: v.string(),
  size: v.number(),
  storageId: v.id("_storage"),
  sha256: v.string(),
  contentType: v.optional(v.string()),
});

const staticScanResultValidator = v.object({
  status: v.union(v.literal("clean"), v.literal("suspicious"), v.literal("malicious")),
  reasonCodes: v.array(v.string()),
  findings: v.array(
    v.object({
      code: v.string(),
      severity: v.union(v.literal("info"), v.literal("warn"), v.literal("critical")),
      file: v.string(),
      line: v.number(),
      message: v.string(),
      evidence: v.string(),
    }),
  ),
  summary: v.string(),
  engineVersion: v.string(),
  checkedAt: v.number(),
});

const githubSkillScanStatusValidator = v.union(
  v.literal("clean"),
  v.literal("suspicious"),
  v.literal("malicious"),
  v.literal("pending"),
  v.literal("failed"),
);
const catalogScanVerdictValidator = v.union(
  v.literal("clean"),
  v.literal("suspicious"),
  v.literal("malicious"),
  v.literal("failed"),
);

const internalRefs = internal as unknown as {
  packages: {
    getPackageByIdInternal: unknown;
    getReleaseByIdInternal: unknown;
    updateReleaseLlmAnalysisInternal: unknown;
    updateReleaseSkillSpectorAnalysisInternal: unknown;
  };
  securityScan: {
    claimQueuedJobsInternal: unknown;
    createUploadedSkillScanRequestInternal: unknown;
    createPublishedSkillScanRequestInternal: unknown;
    enqueuePackageReleaseScanInternal: unknown;
    enqueueSkillVersionScanInternal: unknown;
    failJobInternal: unknown;
    getCodexScanQueueHealthInternal: unknown;
    getSkillScanRequestForUserInternal: unknown;
    getJobTargetInternal: unknown;
    listReadySourceJobsForClaimInternal: unknown;
    recordGitHubSkillScanResultInternal: unknown;
    completeCatalogSkillScanJobInternal: unknown;
    recordSkillScanRequestFailedInternal: unknown;
    recordSkillScanRequestSucceededInternal: unknown;
    requeueJobLeaseInternal: unknown;
    succeedJobInternal: unknown;
  };
  securityScanDispatch: {
    requestSecurityScanDispatchInternal: unknown;
  };
  skills: {
    getSkillByIdInternal: unknown;
    getVersionByIdInternal: unknown;
    listVersionFingerprintsInternal: unknown;
    updateVersionLlmAnalysisInternal: unknown;
    updateVersionSkillSpectorAnalysisInternal: unknown;
  };
  skillCards: {
    enqueueForVersionInternal: unknown;
  };
};

async function runQueryRef<T>(
  ctx: { runQuery: (ref: never, args: never) => Promise<unknown> },
  ref: unknown,
  args: unknown,
): Promise<T> {
  return (await ctx.runQuery(ref as never, args as never)) as T;
}

async function runMutationRef<T>(
  ctx: { runMutation: (ref: never, args: never) => Promise<unknown> },
  ref: unknown,
  args: unknown,
): Promise<T> {
  return (await ctx.runMutation(ref as never, args as never)) as T;
}

function assertWorkerToken(token: string) {
  const expected = process.env.SECURITY_SCAN_WORKER_TOKEN;
  if (!expected || token !== expected) throw new ConvexError("Unauthorized");
}

function defaultVtWaitMs() {
  const raw = process.env.SECURITY_SCAN_DEFAULT_VT_WAIT_MS?.trim();
  if (!raw) return DEFAULT_VT_WAIT_MS;
  const parsed = Number(raw);
  if (!Number.isFinite(parsed)) return DEFAULT_VT_WAIT_MS;
  return Math.max(0, Math.min(parsed, DEFAULT_VT_WAIT_MS));
}

function githubSkillScanStatusFromLlmAnalysis(
  analysis: Pick<NonNullable<Doc<"skillVersions">["llmAnalysis"]>, "status" | "verdict">,
) {
  const status = normalizePackageScanStatus(analysis.verdict ?? analysis.status);
  if (status === "clean" || status === "suspicious" || status === "malicious") return status;
  return "failed" as const;
}

function sanitizeWorkerErrorDetail(error: string, maxChars = 500) {
  const redacted = redactWorkerPublicText(error);
  return redacted.slice(0, maxChars);
}

function publicWorkerErrorDetail(error: string) {
  return sanitizeWorkerErrorDetail(error, 500);
}

function truncateSkillSpectorStorageText(
  value: string | undefined,
  maxChars = MAX_STORED_SKILLSPECTOR_TEXT_CHARS,
) {
  if (value === undefined) return undefined;
  if (value.length <= maxChars) return value;
  return `${value.slice(0, maxChars)}\n...[truncated ${value.length - maxChars} chars]`;
}

function capSkillSpectorIssueForStorage(
  issue: SkillSpectorIssueForStorage,
): SkillSpectorIssueForStorage {
  return {
    issueId:
      truncateSkillSpectorStorageText(issue.issueId, MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS) ??
      "skillspector-issue",
    category: truncateSkillSpectorStorageText(
      issue.category,
      MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS,
    ),
    pattern: truncateSkillSpectorStorageText(
      issue.pattern,
      MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS,
    ),
    severity:
      truncateSkillSpectorStorageText(issue.severity, MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS) ??
      "UNKNOWN",
    confidence: issue.confidence,
    file: truncateSkillSpectorStorageText(issue.file, MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS),
    startLine: issue.startLine,
    endLine: issue.endLine,
    explanation:
      truncateSkillSpectorStorageText(issue.explanation) ??
      "SkillSpector reported this issue without additional explanation.",
    remediation: truncateSkillSpectorStorageText(issue.remediation),
    finding: truncateSkillSpectorStorageText(issue.finding),
    codeSnippet: truncateSkillSpectorStorageText(issue.codeSnippet),
  };
}

function capSkillSpectorAnalysisForStorage(
  analysis: SkillSpectorAnalysisForStorage,
): SkillSpectorAnalysisForStorage {
  return {
    status:
      truncateSkillSpectorStorageText(analysis.status, MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS) ??
      "error",
    score: analysis.score,
    severity: truncateSkillSpectorStorageText(
      analysis.severity,
      MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS,
    ),
    recommendation: truncateSkillSpectorStorageText(
      analysis.recommendation,
      MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS,
    ),
    issueCount: Math.max(analysis.issueCount, analysis.issues.length),
    issues: analysis.issues
      .slice(0, MAX_STORED_SKILLSPECTOR_ISSUES)
      .map(capSkillSpectorIssueForStorage),
    scannerVersion: truncateSkillSpectorStorageText(
      analysis.scannerVersion,
      MAX_STORED_SKILLSPECTOR_SHORT_TEXT_CHARS,
    ),
    summary: truncateSkillSpectorStorageText(analysis.summary),
    error: truncateSkillSpectorStorageText(analysis.error),
    checkedAt: analysis.checkedAt,
  };
}

function buildWorkerFailureLlmAnalysis(error: string) {
  return {
    status: "error",
    confidence: "low",
    summary:
      "ClawScan could not complete because the scanner failed before an artifact-backed review could finish.",
    guidance:
      "Treat this scan as incomplete. Retry ClawScan before inferring safety or risk from this result.",
    findings: `Worker error: ${publicWorkerErrorDetail(error)}`,
    model: "codex-security-worker",
    checkedAt: Date.now(),
  };
}

function hasArtifactBackedLlmAnalysis(analysis: ExistingLlmAnalysis | undefined) {
  const status = analysis?.status?.trim().toLowerCase();
  const verdict = analysis?.verdict?.trim().toLowerCase();
  return (
    artifactBackedLlmAnalysisStatuses.has(status ?? "") ||
    artifactBackedLlmAnalysisStatuses.has(verdict ?? "")
  );
}

function normalizeLimit(limit: number | undefined) {
  const normalized = Number.isFinite(limit)
    ? Math.floor(limit ?? DEFAULT_CODEX_SCAN_CLAIM_LIMIT)
    : DEFAULT_CODEX_SCAN_CLAIM_LIMIT;
  return Math.max(1, Math.min(normalized, MAX_CODEX_SCAN_CLAIM_LIMIT));
}

function normalizeBulkRescanBatchSize(batchSize: number | undefined) {
  const normalized = Number.isFinite(batchSize)
    ? Math.floor(batchSize ?? DEFAULT_BULK_RESCAN_BATCH_SIZE)
    : DEFAULT_BULK_RESCAN_BATCH_SIZE;
  return Math.max(1, Math.min(normalized, MAX_BULK_RESCAN_BATCH_SIZE));
}

async function getBulkSkillRescanBatchStatus(ctx: QueryCtx, jobIds: Id<"securityScanJobs">[]) {
  let queued = 0;
  let running = 0;
  let succeeded = 0;
  let failed = 0;
  let missing = 0;
  const failedJobIds: Id<"securityScanJobs">[] = [];

  for (const jobId of jobIds) {
    const job = await ctx.db.get(jobId);
    if (!job) {
      missing += 1;
      continue;
    }
    if (job.status === "queued") queued += 1;
    else if (job.status === "running") running += 1;
    else if (job.status === "succeeded") succeeded += 1;
    else if (job.status === "failed") {
      failed += 1;
      failedJobIds.push(job._id);
    }
  }

  const terminal = succeeded + failed + missing;
  return {
    ok: true as const,
    total: jobIds.length,
    queued,
    running,
    succeeded,
    failed,
    missing,
    terminal,
    done: queued + running === 0,
    failedJobIds,
  };
}

function normalizeMaintenanceScanLimit(limit: number | undefined) {
  const normalized = Number.isFinite(limit) ? Math.floor(limit ?? DEFAULT_CANCEL_SCAN_LIMIT) : null;
  return Math.max(1, Math.min(normalized ?? DEFAULT_CANCEL_SCAN_LIMIT, MAX_CANCEL_SCAN_LIMIT));
}

function normalizeMaintenanceDeleteLimit(limit: number | undefined, scanLimit: number) {
  const normalized = Number.isFinite(limit)
    ? Math.floor(limit ?? DEFAULT_CANCEL_DELETE_LIMIT)
    : null;
  return Math.max(0, Math.min(normalized ?? DEFAULT_CANCEL_DELETE_LIMIT, scanLimit));
}

function incrementSkip(
  skippedByReason: Partial<Record<CancelSkipReason, number>>,
  reason: CancelSkipReason,
) {
  skippedByReason[reason] = (skippedByReason[reason] ?? 0) + 1;
}

function isOpenClawPluginPackage(
  pkg: Doc<"packages"> | null | undefined,
  ownerPublisher: Pick<Doc<"publishers">, "handle" | "deletedAt"> | null | undefined,
) {
  if (!pkg) return false;
  if (pkg.family !== "code-plugin" && pkg.family !== "bundle-plugin") return false;
  if (!pkg.normalizedName.startsWith("@openclaw/")) return false;
  return ownerPublisher?.handle.trim().toLowerCase() === "openclaw" && !ownerPublisher.deletedAt;
}

export const enqueueSkillVersionScanInternal = internalMutation({
  args: {
    versionId: v.id("skillVersions"),
    source: jobSourceValidator,
    priority: v.optional(v.number()),
    waitForVtMs: v.optional(v.number()),
    preserveActiveJob: v.optional(v.boolean()),
    preserveExistingJob: v.optional(v.boolean()),
  },
  handler: async (ctx, args) => {
    return enqueueSkillVersionScan(ctx, args);
  },
});

export const enqueueBulkSkillRescanBatchForAdminInternal = internalMutation({
  args: {
    actorUserId: v.id("users"),
    mode: v.optional(v.literal("all-active-latest")),
    cursor: v.optional(v.union(v.string(), v.null())),
    batchSize: v.optional(v.number()),
    dryRun: v.optional(v.boolean()),
  },
  handler: async (ctx, args) => {
    const actor = await ctx.db.get(args.actorUserId);
    if (!actor) throw new ConvexError("Unauthorized");
    assertAdmin(actor);

    const mode = args.mode ?? "all-active-latest";
    const batchSize = normalizeBulkRescanBatchSize(args.batchSize);
    const dryRun = args.dryRun === true;
    const page = await ctx.db
      .query("skills")
      .withIndex("by_active_created", (q) => q.eq("softDeletedAt", undefined))
      .order("asc")
      .paginate({
        cursor: args.cursor ?? null,
        numItems: batchSize,
      });

    let queued = 0;
    let alreadyQueued = 0;
    let skipped = 0;
    const jobIds: Id<"securityScanJobs">[] = [];
    const sampleSlugs: string[] = [];

    for (const skill of page.page) {
      if (sampleSlugs.length < BULK_RESCAN_SAMPLE_LIMIT) sampleSlugs.push(skill.slug);
      if ((skill.moderationStatus ?? "active") !== "active" || !skill.latestVersionId) {
        skipped += 1;
        continue;
      }

      const version = await ctx.db.get(skill.latestVersionId);
      if (!version || version.softDeletedAt) {
        skipped += 1;
        continue;
      }

      if (dryRun) {
        const existing = await ctx.db
          .query("securityScanJobs")
          .withIndex("by_skill_version", (q) => q.eq("skillVersionId", version._id))
          .collect();
        const active = existing.find((job) => job.status === "queued" || job.status === "running");
        if (active) alreadyQueued += 1;
        else queued += 1;
        continue;
      }

      const result = await enqueueSkillVersionScan(ctx, {
        versionId: version._id,
        source: "bulk-rescan",
        priority: 0,
        waitForVtMs: 0,
        preserveActiveJob: true,
      });
      if (!result.jobId) {
        skipped += 1;
        continue;
      }
      jobIds.push(result.jobId);
      if (result.alreadyQueued) alreadyQueued += 1;
      else queued += 1;
    }

    const nextCursor = page.isDone ? null : page.continueCursor;

    if (!dryRun) {
      const now = Date.now();
      await ctx.db.insert("auditLogs", {
        actorUserId: actor._id,
        action: "skill.clawscan.bulk_rescan_batch",
        targetType: "securityScanBatch",
        targetId: `bulk-rescan:${now}`,
        metadata: {
          mode,
          batchSize,
          queued,
          alreadyQueued,
          skipped,
          cursor: args.cursor ?? null,
          nextCursor,
          sampleSlugs,
        },
        createdAt: now,
      });
    }

    return {
      ok: true as const,
      mode,
      queued,
      alreadyQueued,
      skipped,
      jobIds,
      nextCursor,
      done: page.isDone,
      sampleSlugs,
    };
  },
});

export const getBulkSkillRescanBatchStatusForAdminInternal = internalQuery({
  args: {
    actorUserId: v.id("users"),
    jobIds: v.array(v.id("securityScanJobs")),
  },
  handler: async (ctx, args) => {
    const actor = await ctx.db.get(args.actorUserId);
    if (!actor) throw new ConvexError("Unauthorized");
    assertAdmin(actor);

    return getBulkSkillRescanBatchStatus(ctx, args.jobIds.slice(0, MAX_BULK_RESCAN_STATUS_JOB_IDS));
  },
});

export const enqueueSkillRescanForModeratorInternal = internalMutation({
  args: {
    actorUserId: v.id("users"),
    slug: v.string(),
    ownerHandle: v.optional(v.string()),
    version: v.optional(v.string()),
  },
  handler: async (ctx, args) => {
    const actor = await ctx.db.get(args.actorUserId);
    if (!actor) throw new ConvexError("Unauthorized");
    assertModerator(actor);

    const skill = await resolveSkillForRescan(ctx, args.slug, args.ownerHandle);
    if (!skill || skill.softDeletedAt) throw new ConvexError("Skill not found");

    const requestedVersion = args.version?.trim();
    const version = requestedVersion
      ? await ctx.db
          .query("skillVersions")
          .withIndex("by_skill_version", (q) =>
            q.eq("skillId", skill._id).eq("version", requestedVersion),
          )
          .unique()
      : skill.latestVersionId
        ? await ctx.db.get(skill.latestVersionId)
        : null;
    if (!version || version.softDeletedAt) throw new ConvexError("Skill version not found");

    const queued = await enqueueSkillVersionScan(ctx, {
      versionId: version._id,
      source: "manual",
      priority: 100,
      waitForVtMs: 0,
    });
    if (!queued.jobId) throw new ConvexError("Skill version not found");

    await ctx.db.insert("auditLogs", {
      actorUserId: actor._id,
      action: "skill.clawscan.rescan",
      targetType: "skillVersion",
      targetId: version._id,
      metadata: {
        skillId: skill._id,
        slug: skill.slug,
        version: version.version,
        jobId: queued.jobId,
        alreadyQueued: queued.alreadyQueued === true,
      },
      createdAt: Date.now(),
    });

    return {
      ok: true as const,
      slug: skill.slug,
      version: version.version,
      skillId: skill._id,
      skillVersionId: version._id,
      jobId: queued.jobId,
      alreadyQueued: queued.alreadyQueued === true,
    };
  },
});

async function requestSkillRescanForActor(
  ctx: MutationCtx,
  args: {
    actor: Doc<"users">;
    skill: Doc<"skills">;
    version?: string;
  },
) {
  await assertCanManageOwnedResource(ctx, {
    actor: args.actor,
    ownerUserId: args.skill.ownerUserId,
    ownerPublisherId: args.skill.ownerPublisherId,
    allowPlatformModerator: true,
  });

  if (args.skill.installKind === "github") {
    if (
      args.skill.githubCurrentStatus !== "present" ||
      !args.skill.githubSourceId ||
      !args.skill.githubPath ||
      !args.skill.githubCurrentCommit ||
      !args.skill.githubCurrentContentHash
    ) {
      throw new ConvexError("GitHub-backed skill content is not available");
    }
    await assertGitHubSkillScanAllowed(ctx, args.skill.githubSourceId);
    const now = Date.now();
    const { scan, activeJob, actionPending } = await getGitHubSkillScanState(
      ctx,
      args.skill._id,
      args.skill.githubCurrentContentHash,
      now,
    );
    const alreadyQueued = Boolean(activeJob || actionPending);
    if (activeJob?.status === "queued") {
      await ctx.db.patch(activeJob._id, {
        source: "manual",
        priority: Math.max(activeJob.priority, 100),
        waitForVtUntil: Math.min(activeJob.waitForVtUntil, now),
        nextRunAt: Math.min(activeJob.nextRunAt, now),
        updatedAt: now,
      });
    } else if (actionPending && scan?.skillScanRequestId) {
      await ctx.db.patch(scan.skillScanRequestId, {
        requestedJobSource: "manual",
        requestedJobPriority: 100,
        updatedAt: now,
      });
    }
    if (!alreadyQueued) {
      const pendingScanInsert = {
        githubSourceId: args.skill.githubSourceId,
        commit: args.skill.githubCurrentCommit,
        path: args.skill.githubPath,
        status: "pending" as const,
        updatedAt: now,
      };
      if (scan) {
        await ctx.db.patch(scan._id, {
          ...pendingScanInsert,
          skillScanRequestId: undefined,
          skillSpectorAnalysis: undefined,
          llmAnalysis: undefined,
          lastError: undefined,
          runId: undefined,
          completedAt: undefined,
        });
      } else {
        await ctx.db.insert("githubSkillScans", {
          skillId: args.skill._id,
          contentHash: args.skill.githubCurrentContentHash,
          ...pendingScanInsert,
          createdAt: now,
        });
      }
      await ctx.scheduler.runAfter(0, internal.githubSkillSyncNode.verifyGitHubSkillInternal, {
        skillId: args.skill._id,
        contentHash: args.skill.githubCurrentContentHash,
        force: true,
      });
    }
    await ctx.db.insert("auditLogs", {
      actorUserId: args.actor._id,
      action: "skill.clawscan.rescan",
      targetType: "skill",
      targetId: args.skill._id,
      metadata: {
        skillId: args.skill._id,
        slug: args.skill.slug,
        commit: args.skill.githubCurrentCommit,
        contentHash: args.skill.githubCurrentContentHash,
        scheduled: !alreadyQueued,
        alreadyQueued,
        jobId: activeJob?._id,
      },
      createdAt: now,
    });
    return {
      ok: true as const,
      slug: args.skill.slug,
      version:
        args.skill.latestVersionSummary?.version ?? args.skill.githubCurrentCommit.slice(0, 12),
      skillId: args.skill._id,
      githubContentHash: args.skill.githubCurrentContentHash,
      ...(activeJob ? { jobId: activeJob._id } : {}),
      scheduled: !alreadyQueued,
      alreadyQueued,
    };
  }

  const requestedVersion = args.version?.trim();
  const version = requestedVersion
    ? await ctx.db
        .query("skillVersions")
        .withIndex("by_skill_version", (q) =>
          q.eq("skillId", args.skill._id).eq("version", requestedVersion),
        )
        .unique()
    : args.skill.latestVersionId
      ? await ctx.db.get(args.skill.latestVersionId)
      : null;
  if (!version || version.softDeletedAt) throw new ConvexError("Skill version not found");

  const queued = await enqueueSkillVersionScan(ctx, {
    versionId: version._id,
    source: "manual",
    priority: 100,
    waitForVtMs: 0,
  });
  if (!queued.jobId) throw new ConvexError("Skill version not found");

  await ctx.db.insert("auditLogs", {
    actorUserId: args.actor._id,
    action: "skill.clawscan.rescan",
    targetType: "skillVersion",
    targetId: version._id,
    metadata: {
      skillId: args.skill._id,
      slug: args.skill.slug,
      version: version.version,
      jobId: queued.jobId,
      alreadyQueued: queued.alreadyQueued === true,
    },
    createdAt: Date.now(),
  });

  return {
    ok: true as const,
    slug: args.skill.slug,
    version: version.version,
    skillId: args.skill._id,
    skillVersionId: version._id,
    jobId: queued.jobId,
    alreadyQueued: queued.alreadyQueued === true,
  };
}

async function getGitHubSkillScanState(
  ctx: MutationCtx,
  skillId: Id<"skills">,
  contentHash: string,
  now: number,
) {
  const scan = await ctx.db
    .query("githubSkillScans")
    .withIndex("by_skill_and_content_hash", (q) =>
      q.eq("skillId", skillId).eq("contentHash", contentHash),
    )
    .unique();
  if (scan?.status !== "pending") return { scan, activeJob: null, actionPending: false };
  if (!scan.skillScanRequestId) {
    return {
      scan,
      activeJob: null,
      actionPending: scan.updatedAt > now - GITHUB_SKILL_SCAN_ACTION_LEASE_MS,
    };
  }
  const request = await ctx.db.get(scan.skillScanRequestId);
  if (!request?.securityScanJobId) {
    return {
      scan,
      activeJob: null,
      actionPending: Boolean(
        request && request.updatedAt > now - GITHUB_SKILL_SCAN_ACTION_LEASE_MS,
      ),
    };
  }
  const job = await ctx.db.get(request.securityScanJobId);
  return {
    scan,
    activeJob: job && (job.status === "queued" || job.status === "running") ? job : null,
    actionPending: false,
  };
}

export const requestSkillRescanForUserInternal = internalMutation({
  args: {
    actorUserId: v.id("users"),
    slug: v.string(),
    ownerHandle: v.optional(v.string()),
    version: v.optional(v.string()),
  },
  handler: async (ctx, args) => {
    const actor = await ctx.db.get(args.actorUserId);
    if (!actor) throw new ConvexError("Unauthorized");

    const skill = await resolveSkillForRescan(ctx, args.slug, args.ownerHandle);
    if (!skill || skill.softDeletedAt) throw new ConvexError("Skill not found");

    return requestSkillRescanForActor(ctx, { actor, skill, version: args.version });
  },
});

export const requestSkillRescan = mutation({
  args: {
    skillId: v.id("skills"),
    version: v.optional(v.string()),
  },
  handler: async (ctx, args) => {
    const { user } = await requireUser(ctx);
    const skill = await ctx.db.get(args.skillId);
    if (!skill || skill.softDeletedAt) throw new ConvexError("Skill not found");

    return requestSkillRescanForActor(ctx, { actor: user, skill, version: args.version });
  },
});

function skillScanRequestExpiresAt(now: number) {
  return now + DEFAULT_SKILL_SCAN_REQUEST_RETENTION_MS;
}

function skillScanReportFromRequest(request: Doc<"skillScanRequests">) {
  return {
    clawscan: request.llmAnalysis ?? null,
    skillspector: request.skillSpectorAnalysis ?? null,
    staticAnalysis: request.staticScan ?? null,
    virustotal: request.vtAnalysis
      ? {
          ...request.vtAnalysis,
          ...request.vtAnalysis.engineStats,
        }
      : null,
  };
}

function storedScanReportFromArtifact(
  artifact: Pick<
    Doc<"skillVersions"> | Doc<"packageReleases">,
    "llmAnalysis" | "skillSpectorAnalysis" | "staticScan" | "vtAnalysis"
  >,
) {
  return {
    clawscan: artifact.llmAnalysis ?? null,
    skillspector: artifact.skillSpectorAnalysis ?? null,
    staticAnalysis: artifact.staticScan ?? null,
    virustotal: artifact.vtAnalysis
      ? {
          ...artifact.vtAnalysis,
          ...artifact.vtAnalysis.engineStats,
        }
      : null,
  };
}

function hasStoredScanReport(
  artifact: Pick<
    Doc<"skillVersions"> | Doc<"packageReleases">,
    "llmAnalysis" | "skillSpectorAnalysis" | "staticScan" | "vtAnalysis"
  >,
) {
  return Boolean(
    artifact.llmAnalysis ||
    artifact.skillSpectorAnalysis ||
    artifact.staticScan ||
    artifact.vtAnalysis,
  );
}

function completedAtFromStoredScanReport(
  artifact: Pick<
    Doc<"skillVersions"> | Doc<"packageReleases">,
    "llmAnalysis" | "skillSpectorAnalysis" | "staticScan" | "vtAnalysis"
  >,
) {
  const checkedAtValues = [
    artifact.llmAnalysis?.checkedAt,
    artifact.skillSpectorAnalysis?.checkedAt,
    artifact.staticScan?.checkedAt,
    artifact.vtAnalysis?.checkedAt,
  ].filter((value): value is number => typeof value === "number" && Number.isFinite(value));
  return checkedAtValues.length > 0 ? Math.max(...checkedAtValues) : undefined;
}

function skillScanArtifactFromRequest(request: Doc<"skillScanRequests">) {
  return {
    ...(request.slug ? { slug: request.slug } : {}),
    ...(request.displayName ? { displayName: request.displayName } : {}),
    ...(request.version ? { version: request.version } : {}),
    ...(request.sha256hash ? { sha256hash: request.sha256hash } : {}),
    fileCount: request.files.length,
  };
}

async function countSecurityScanJobs(
  ctx: QueryCtx | MutationCtx,
  status: Doc<"securityScanJobs">["status"],
  source: SecurityScanJobSource,
) {
  const jobs = await ctx.db
    .query("securityScanJobs")
    .withIndex("by_status_source_created_at", (q) => q.eq("status", status).eq("source", source))
    .take(MAX_SKILL_SCAN_RUNNING_COUNT_READS + 1);
  return {
    count: Math.min(jobs.length, MAX_SKILL_SCAN_RUNNING_COUNT_READS),
    isEstimate: jobs.length > MAX_SKILL_SCAN_RUNNING_COUNT_READS,
  };
}

export const getCodexScanQueueHealthInternal = internalQuery({
  args: {},
  handler: async (ctx) => {
    const snapshotAt = Date.now();
    const queuedJobs = await ctx.db
      .query("securityScanJobs")
      .withIndex("by_status_and_next_run_at", (q) => q.eq("status", "queued"))
      .order("asc")
      .take(MAX_SECURITY_SCAN_QUEUE_HEALTH_READS + 1);
    const sampledJobs = queuedJobs.slice(0, MAX_SECURITY_SCAN_QUEUE_HEALTH_READS);
    const firstFutureJobIndex = sampledJobs.findIndex((job) => job.nextRunAt > snapshotAt);
    const readyQueueDepth = firstFutureJobIndex === -1 ? sampledJobs.length : firstFutureJobIndex;
    const queueDepthIsEstimate = queuedJobs.length > MAX_SECURITY_SCAN_QUEUE_HEALTH_READS;
    const oldestReadyJob = readyQueueDepth > 0 ? sampledJobs[0] : null;

    return {
      snapshotAt,
      queueDepth: sampledJobs.length,
      queueDepthIsEstimate,
      readyQueueDepth,
      readyQueueDepthIsEstimate:
        queueDepthIsEstimate && readyQueueDepth === MAX_SECURITY_SCAN_QUEUE_HEALTH_READS,
      oldestReadyJobAgeSeconds: oldestReadyJob
        ? Math.max(0, Math.floor((snapshotAt - oldestReadyJob.nextRunAt) / 1000))
        : 0,
      oldestReadyJobNextRunAt: oldestReadyJob?.nextRunAt ?? null,
    };
  },
});

export const logCodexScanQueueHealthInternal = internalAction({
  args: {},
  handler: async (ctx): Promise<CodexScanQueueHealth> => {
    const snapshot = await runQueryRef<CodexScanQueueHealth>(
      ctx,
      internalRefs.securityScan.getCodexScanQueueHealthInternal,
      {},
    );
    logEvent(Events.SecurityScanQueueSnapshot, snapshot);
    return snapshot;
  },
});

export const getCodexScanQueueHealth = action({
  args: {
    token: v.string(),
  },
  handler: async (ctx, args): Promise<CodexScanQueueHealth> => {
    assertWorkerToken(args.token);
    return await runQueryRef<CodexScanQueueHealth>(
      ctx,
      internalRefs.securityScan.getCodexScanQueueHealthInternal,
      {},
    );
  },
});

function compareQueuedScanClaimOrder(a: Doc<"securityScanJobs">, b: Doc<"securityScanJobs">) {
  if (a.nextRunAt !== b.nextRunAt) return a.nextRunAt - b.nextRunAt;
  if (a._creationTime !== b._creationTime) return a._creationTime - b._creationTime;
  return a._id.localeCompare(b._id);
}

async function countQueuedJobsAhead(ctx: QueryCtx | MutationCtx, job: Doc<"securityScanJobs">) {
  const candidates = await ctx.db
    .query("securityScanJobs")
    .withIndex("by_status_source_next_run_at", (q) =>
      q.eq("status", "queued").eq("source", job.source).lte("nextRunAt", job.nextRunAt),
    )
    .order("asc")
    .take(MAX_SKILL_SCAN_QUEUE_POSITION_READS + 1);

  const queuedAhead = candidates.reduce((count, candidate) => {
    if (candidate._id === job._id) return count;
    return compareQueuedScanClaimOrder(candidate, job) < 0 ? count + 1 : count;
  }, 0);
  const sawTarget = candidates.some((candidate) => candidate._id === job._id);
  const isEstimate =
    !sawTarget ||
    candidates.length > MAX_SKILL_SCAN_QUEUE_POSITION_READS ||
    queuedAhead > MAX_SKILL_SCAN_QUEUE_POSITION_READS;

  return {
    queuedAhead: Math.min(queuedAhead, MAX_SKILL_SCAN_QUEUE_POSITION_READS),
    isEstimate,
  };
}

async function skillScanQueueState(
  ctx: QueryCtx | MutationCtx,
  job: Doc<"securityScanJobs"> | null,
) {
  if (!job) {
    return {
      queuedAhead: 0,
      position: null,
      running: 0,
      note: SKILL_SCAN_ASYNC_NOTE,
    };
  }

  const running = await countSecurityScanJobs(ctx, "running", job.source);
  const queuedAhead =
    job.status === "queued"
      ? await countQueuedJobsAhead(ctx, job)
      : { queuedAhead: 0, isEstimate: false };

  return {
    queuedAhead: queuedAhead.queuedAhead,
    queuedAheadIsEstimate: queuedAhead.isEstimate,
    position:
      job.status === "queued" && !queuedAhead.isEstimate ? queuedAhead.queuedAhead + 1 : null,
    running: running.count,
    runningIsEstimate: running.isEstimate,
    note: SKILL_SCAN_ASYNC_NOTE,
  };
}

async function skillScanStatusResponse(
  ctx: QueryCtx | MutationCtx,
  request: Doc<"skillScanRequests">,
  job: Doc<"securityScanJobs"> | null,
) {
  const status =
    request.status === "succeeded" || request.status === "failed"
      ? request.status
      : (job?.status ?? request.status);
  return {
    ok: true as const,
    scanId: request._id,
    jobId: request.securityScanJobId,
    status,
    sourceKind: request.sourceKind,
    update: request.update,
    writtenBack: request.writtenBack,
    artifact: skillScanArtifactFromRequest(request),
    report: skillScanReportFromRequest(request),
    queue: await skillScanQueueState(ctx, job),
    lastError: request.lastError ?? job?.lastError,
    createdAt: request.createdAt,
    updatedAt: Math.max(request.updatedAt, job?.updatedAt ?? request.updatedAt),
    completedAt: request.completedAt ?? job?.completedAt,
  };
}

async function enqueueSkillScanRequestJob(
  ctx: MutationCtx,
  requestId: Id<"skillScanRequests">,
  options?: { source?: SecurityScanJobSource; priority?: number },
) {
  const request = await ctx.db.get(requestId);
  if (!request) throw new ConvexError("Scan request not found");
  let rolloutGate: "github-skill-sync" | undefined;
  if (request.sourceKind === "github" && request.githubSkillScanId) {
    const scan = await ctx.db.get(request.githubSkillScanId);
    const source = scan ? await ctx.db.get(scan.githubSourceId) : null;
    if (source && !isLegacyNvidiaSkillSource(source.repo)) {
      rolloutGate = "github-skill-sync";
    }
  }
  const now = Date.now();
  const jobId = await ctx.db.insert("securityScanJobs", {
    targetKind: "skillScanRequest",
    skillScanRequestId: request._id,
    rolloutGate,
    status: "queued",
    source: options?.source ?? "manual",
    priority: options?.priority ?? 100,
    hasMaliciousSignal: false,
    waitForVtUntil: now,
    nextRunAt: now,
    attempts: 0,
    createdAt: now,
    updatedAt: now,
  });
  await ctx.db.patch(request._id, {
    securityScanJobId: jobId,
    updatedAt: now,
  });
  return jobId;
}

export async function enqueueSkillsShCatalogScanRequest(
  ctx: MutationCtx,
  args: {
    actorUserId: Id<"users">;
    attemptId: Id<"skillsShCatalogScanAttempts">;
    slug: string;
    displayName: string;
    artifactContentHash: string;
    files: Doc<"skillScanRequests">["files"];
  },
) {
  const now = Date.now();
  const requestId = await ctx.db.insert("skillScanRequests", {
    actorUserId: args.actorUserId,
    sourceKind: "skills-sh-catalog",
    update: false,
    writtenBack: false,
    status: "queued",
    requestedJobSource: "skills-sh-catalog-test",
    requestedJobPriority: -100,
    slug: args.slug,
    displayName: args.displayName,
    skillsShCatalogAttemptId: args.attemptId,
    files: args.files,
    sha256hash: args.artifactContentHash,
    expiresAt: skillScanRequestExpiresAt(now),
    createdAt: now,
    updatedAt: now,
  });
  const jobId = await enqueueSkillScanRequestJob(ctx, requestId, {
    source: "skills-sh-catalog-test",
    priority: -100,
  });
  return { requestId, jobId };
}

async function resolveGitHubSkillScanTarget(
  ctx: Pick<MutationCtx, "db">,
  skill: Doc<"skills">,
  args: { commit: string; contentHash: string },
) {
  if (
    skill.installKind === "github" &&
    skill.githubSourceId &&
    skill.githubPath &&
    skill.githubCurrentStatus === "present" &&
    skill.githubCurrentCommit === args.commit &&
    skill.githubCurrentContentHash === args.contentHash
  ) {
    return {
      githubSourceId: skill.githubSourceId,
      githubPath: skill.githubPath,
    };
  }
  if (!skill.githubPendingCandidateId) return null;
  const candidate = await ctx.db.get(skill.githubPendingCandidateId);
  if (
    !candidate ||
    candidate.skillId !== skill._id ||
    candidate.githubCommit !== args.commit ||
    candidate.githubContentHash !== args.contentHash
  ) {
    return null;
  }
  return {
    githubSourceId: candidate.githubSourceId,
    githubPath: candidate.githubPath,
  };
}

export const prepareGitHubSkillScanRequestInternal = internalMutation({
  args: {
    skillId: v.id("skills"),
    contentHash: v.string(),
    commit: v.string(),
    force: v.optional(v.boolean()),
    parsed: v.object({
      frontmatter: v.record(v.string(), v.any()),
      presentation: v.optional(
        v.object({
          displayName: v.string(),
          displayNameSource: v.optional(
            v.union(
              v.literal("publisher"),
              v.literal("openai"),
              v.literal("skill"),
              v.literal("slug"),
            ),
          ),
          summary: v.optional(v.string()),
          summarySource: v.optional(
            v.union(
              v.literal("publisher"),
              v.literal("openai"),
              v.literal("skill"),
              v.literal("generated"),
            ),
          ),
          icon: v.optional(v.string()),
        }),
      ),
    }),
    staticScan: staticScanResultValidator,
  },
  handler: async (ctx, args) => {
    const skill = await ctx.db.get(args.skillId);
    const target = skill
      ? await resolveGitHubSkillScanTarget(ctx, skill, {
          commit: args.commit,
          contentHash: args.contentHash,
        })
      : null;
    if (!skill || !target) {
      return { ok: true as const, skipped: "stale-or-missing" as const };
    }
    if (!(await isGitHubSkillScanAllowed(ctx, target.githubSourceId))) {
      return { ok: true as const, skipped: "rollout-disabled" as const };
    }
    const existing = await ctx.db
      .query("githubSkillScans")
      .withIndex("by_skill_and_content_hash", (q) =>
        q.eq("skillId", skill._id).eq("contentHash", args.contentHash),
      )
      .unique();
    if (existing && !args.force && existing.status !== "pending" && existing.status !== "failed") {
      await ctx.db.patch(existing._id, {
        githubSourceId: target.githubSourceId,
        commit: args.commit,
        path: target.githubPath,
        staticScan: args.staticScan,
        updatedAt: Date.now(),
      });
      return {
        ok: true as const,
        reused: true as const,
        scanId: existing._id,
        scanStatus: existing.status,
      };
    }
    if (existing?.status === "pending" && existing.skillScanRequestId) {
      const request = await ctx.db.get(existing.skillScanRequestId);
      const job = request?.securityScanJobId ? await ctx.db.get(request.securityScanJobId) : null;
      if (request && job && (job.status === "queued" || job.status === "running")) {
        return {
          ok: true as const,
          alreadyQueued: true as const,
          scanId: existing._id,
          requestId: request._id,
          jobId: job._id,
        };
      }
      if (
        request &&
        !args.force &&
        request.updatedAt > Date.now() - GITHUB_SKILL_SCAN_ACTION_LEASE_MS
      ) {
        return {
          ok: true as const,
          alreadyQueued: true as const,
          scanId: existing._id,
          requestId: request._id,
        };
      }
    }

    const now = Date.now();
    const scanId =
      existing?._id ??
      (await ctx.db.insert("githubSkillScans", {
        skillId: skill._id,
        githubSourceId: target.githubSourceId,
        contentHash: args.contentHash,
        commit: args.commit,
        path: target.githubPath,
        status: "pending",
        staticScan: args.staticScan,
        createdAt: now,
        updatedAt: now,
      }));
    if (existing) {
      await ctx.db.patch(existing._id, {
        githubSourceId: target.githubSourceId,
        commit: args.commit,
        path: target.githubPath,
        status: "pending",
        staticScan: args.staticScan,
        skillSpectorAnalysis: undefined,
        llmAnalysis: undefined,
        lastError: undefined,
        runId: undefined,
        completedAt: undefined,
        updatedAt: now,
      });
    }

    const requestId = await ctx.db.insert("skillScanRequests", {
      actorUserId: skill.ownerUserId,
      sourceKind: "github",
      update: false,
      writtenBack: false,
      status: "queued",
      slug: skill.slug,
      displayName: skill.displayName,
      version: skill.latestVersionSummary?.version ?? args.commit.slice(0, 12),
      skillId: skill._id,
      githubSkillScanId: scanId,
      files: [],
      fileChunkCount: 0,
      fileManifestBytes: 0,
      parsed: args.parsed,
      staticScan: args.staticScan,
      expiresAt: skillScanRequestExpiresAt(now),
      createdAt: now,
      updatedAt: now,
    });
    await ctx.db.patch(scanId, { skillScanRequestId: requestId, updatedAt: now });

    return {
      ok: true as const,
      prepared: true as const,
      scanId,
      requestId,
    };
  },
});

export const appendGitHubSkillScanRequestFilesInternal = internalMutation({
  args: {
    requestId: v.id("skillScanRequests"),
    chunkIndex: v.number(),
    files: v.array(scanRequestFileValidator),
  },
  handler: async (ctx, args) => {
    if (!Number.isInteger(args.chunkIndex) || args.chunkIndex < 0) {
      throw new ConvexError("Invalid file chunk index");
    }
    if (args.files.length === 0 || chunkSkillScanRequestFiles(args.files).length !== 1) {
      throw new ConvexError("Invalid file chunk");
    }
    const request = await ctx.db.get(args.requestId);
    if (
      !request ||
      request.sourceKind !== "github" ||
      !request.githubSkillScanId ||
      request.securityScanJobId
    ) {
      throw new ConvexError("GitHub scan request is not accepting files");
    }
    const scan = await ctx.db.get(request.githubSkillScanId);
    if (!scan || scan.status !== "pending" || scan.skillScanRequestId !== request._id) {
      throw new ConvexError("GitHub scan request is no longer current");
    }
    await assertGitHubSkillScanAllowed(ctx, scan.githubSourceId);
    const existing = await ctx.db
      .query("skillScanRequestFileChunks")
      .withIndex("by_skill_scan_request_id_and_chunk_index", (q) =>
        q.eq("skillScanRequestId", request._id).eq("chunkIndex", args.chunkIndex),
      )
      .unique();
    if (existing) {
      return { ok: true as const, appended: true as const };
    }
    const fileChunkCount = request.fileChunkCount ?? 0;
    const fileManifestBytes = request.fileManifestBytes ?? 0;
    const chunkBytes = serializedSkillScanRequestFilesBytes(args.files);
    if (
      args.chunkIndex !== fileChunkCount ||
      fileChunkCount >= MAX_SKILL_SCAN_REQUEST_FILE_CHUNKS ||
      fileManifestBytes + chunkBytes > MAX_SKILL_SCAN_REQUEST_MANIFEST_BYTES
    ) {
      throw new ConvexError("GitHub scan request file manifest exceeds the hydration limit");
    }
    const now = Date.now();
    await ctx.db.insert("skillScanRequestFileChunks", {
      skillScanRequestId: request._id,
      chunkIndex: args.chunkIndex,
      files: args.files,
      createdAt: now,
    });
    await ctx.db.patch(request._id, {
      fileChunkCount: fileChunkCount + 1,
      fileManifestBytes: fileManifestBytes + chunkBytes,
      updatedAt: now,
    });
    return { ok: true as const, appended: true as const };
  },
});

export const finalizeGitHubSkillScanRequestInternal = internalMutation({
  args: {
    requestId: v.id("skillScanRequests"),
    force: v.optional(v.boolean()),
  },
  handler: async (ctx, args) => {
    const request = await ctx.db.get(args.requestId);
    if (!request || request.sourceKind !== "github" || !request.githubSkillScanId) {
      throw new ConvexError("GitHub scan request not found");
    }
    const scan = await ctx.db.get(request.githubSkillScanId);
    if (!scan) {
      throw new ConvexError("GitHub scan request is no longer current");
    }
    await assertGitHubSkillScanAllowed(ctx, scan.githubSourceId);
    if (request.securityScanJobId) {
      const job = await ctx.db.get(request.securityScanJobId);
      if (job && (job.status === "queued" || job.status === "running")) {
        return {
          ok: true as const,
          alreadyQueued: true as const,
          scanId: request.githubSkillScanId,
          requestId: request._id,
          jobId: job._id,
        };
      }
      throw new ConvexError("GitHub scan request was already finalized");
    }
    const skill = scan ? await ctx.db.get(scan.skillId) : null;
    const target = skill
      ? await resolveGitHubSkillScanTarget(ctx, skill, {
          commit: scan.commit,
          contentHash: scan.contentHash,
        })
      : null;
    if (
      !scan ||
      scan.status !== "pending" ||
      scan.skillScanRequestId !== request._id ||
      !skill ||
      !target ||
      target.githubSourceId !== scan.githubSourceId ||
      target.githubPath !== scan.path
    ) {
      throw new ConvexError("GitHub scan request is no longer current");
    }
    const firstChunk = await ctx.db
      .query("skillScanRequestFileChunks")
      .withIndex("by_skill_scan_request_id_and_chunk_index", (q) =>
        q.eq("skillScanRequestId", request._id),
      )
      .take(1);
    if (
      firstChunk.length === 0 ||
      !request.fileChunkCount ||
      !request.fileManifestBytes ||
      request.fileChunkCount > MAX_SKILL_SCAN_REQUEST_FILE_CHUNKS ||
      request.fileManifestBytes > MAX_SKILL_SCAN_REQUEST_MANIFEST_BYTES
    ) {
      throw new ConvexError("GitHub scan request files are missing");
    }

    const jobId = await enqueueSkillScanRequestJob(ctx, request._id, {
      source: args.force ? "manual" : (request.requestedJobSource ?? "publish"),
      priority: Math.max(args.force ? 100 : 0, request.requestedJobPriority ?? 0),
    });
    return {
      ok: true as const,
      queued: true as const,
      scanId: scan._id,
      requestId: request._id,
      jobId,
    };
  },
});

export const createUploadedSkillScanRequestInternal = internalMutation({
  args: {
    actorUserId: v.id("users"),
    files: v.array(scanRequestFileValidator),
    displayName: v.optional(v.string()),
  },
  handler: async (ctx, args) => {
    const actor = await ctx.db.get(args.actorUserId);
    if (!actor) throw new ConvexError("Unauthorized");
    if (args.files.length === 0) throw new ConvexError("files required");
    if (
      !args.files.some((file) => {
        const lower = file.path.trim().toLowerCase();
        return lower === "skill.md";
      })
    ) {
      throw new ConvexError("SKILL.md required");
    }

    const now = Date.now();
    const scanId = await ctx.db.insert("skillScanRequests", {
      actorUserId: actor._id,
      sourceKind: "upload",
      update: false,
      writtenBack: false,
      status: "queued",
      displayName: args.displayName,
      version: "local",
      files: args.files,
      expiresAt: skillScanRequestExpiresAt(now),
      createdAt: now,
      updatedAt: now,
    });
    const jobId = await enqueueSkillScanRequestJob(ctx, scanId);

    await ctx.db.insert("auditLogs", {
      actorUserId: actor._id,
      action: "skill.clawscan.scan_upload",
      targetType: "skillScanRequest",
      targetId: scanId,
      metadata: {
        jobId,
        fileCount: args.files.length,
      },
      createdAt: now,
    });

    return {
      ok: true as const,
      scanId,
      jobId,
      status: "queued" as const,
      sourceKind: "upload" as const,
      update: false,
      alreadyQueued: false,
      queue: await skillScanQueueState(ctx, await ctx.db.get(jobId)),
    };
  },
});

export const createPublishedSkillScanRequestInternal = internalMutation({
  args: {
    actorUserId: v.id("users"),
    slug: v.string(),
    version: v.optional(v.string()),
    update: v.optional(v.boolean()),
  },
  handler: async (ctx, args) => {
    const actor = await ctx.db.get(args.actorUserId);
    if (!actor) throw new ConvexError("Unauthorized");

    const slug = args.slug.trim().toLowerCase();
    if (!slug) throw new ConvexError("Slug required");
    const skill = await ctx.db
      .query("skills")
      .withIndex("by_slug", (q) => q.eq("slug", slug))
      .unique();
    if (!skill || skill.softDeletedAt) throw new ConvexError("Skill not found");

    await assertCanManageOwnedResource(ctx, {
      actor,
      ownerUserId: skill.ownerUserId,
      ownerPublisherId: skill.ownerPublisherId,
      allowPlatformModerator: true,
    });

    const requestedVersion = args.version?.trim();
    const version = requestedVersion
      ? await ctx.db
          .query("skillVersions")
          .withIndex("by_skill_version", (q) =>
            q.eq("skillId", skill._id).eq("version", requestedVersion),
          )
          .unique()
      : skill.latestVersionId
        ? await ctx.db.get(skill.latestVersionId)
        : null;
    if (!version || version.softDeletedAt) throw new ConvexError("Skill version not found");

    const fingerprintEntries = await ctx.db
      .query("skillVersionFingerprints")
      .withIndex("by_version", (q) => q.eq("versionId", version._id))
      .collect();
    const files = sourceSkillVersionFiles(version.files, {
      generatedBundleFingerprints: fingerprintEntries
        .filter((entry) => entry.kind === "generated-bundle")
        .map((entry) => entry.fingerprint),
    });

    const now = Date.now();
    const update = args.update === true;
    const scanId = await ctx.db.insert("skillScanRequests", {
      actorUserId: actor._id,
      sourceKind: "published",
      update,
      writtenBack: false,
      status: "queued",
      slug: skill.slug,
      displayName: skill.displayName,
      version: version.version,
      skillId: skill._id,
      skillVersionId: version._id,
      files,
      parsed: version.parsed,
      sha256hash: version.sha256hash,
      vtAnalysis: version.vtAnalysis,
      staticScan: version.staticScan,
      expiresAt: skillScanRequestExpiresAt(now),
      createdAt: now,
      updatedAt: now,
    });
    const jobId = await enqueueSkillScanRequestJob(ctx, scanId);

    await ctx.db.insert("auditLogs", {
      actorUserId: actor._id,
      action: update ? "skill.clawscan.scan_published_update" : "skill.clawscan.scan_published",
      targetType: "skillVersion",
      targetId: version._id,
      metadata: {
        skillId: skill._id,
        slug: skill.slug,
        version: version.version,
        scanId,
        jobId,
        update,
      },
      createdAt: now,
    });

    return {
      ok: true as const,
      scanId,
      jobId,
      status: "queued" as const,
      sourceKind: "published" as const,
      update,
      alreadyQueued: false,
      queue: await skillScanQueueState(ctx, await ctx.db.get(jobId)),
    };
  },
});

export const getSkillScanRequestForUserInternal = internalQuery({
  args: {
    actorUserId: v.id("users"),
    scanId: v.id("skillScanRequests"),
  },
  handler: async (ctx, args) => {
    const actor = await ctx.db.get(args.actorUserId);
    if (!actor) throw new ConvexError("Unauthorized");
    const request = await ctx.db.get(args.scanId);
    if (!request) throw new ConvexError("Scan not found");
    if (request.actorUserId !== actor._id && actor.role !== "admin" && actor.role !== "moderator") {
      throw new ConvexError("Forbidden");
    }
    const job = request.securityScanJobId ? await ctx.db.get(request.securityScanJobId) : null;
    return await skillScanStatusResponse(ctx, request, job);
  },
});

export const getStoredScanReportForUserInternal = internalQuery({
  args: {
    actorUserId: v.id("users"),
    kind: v.union(v.literal("skill"), v.literal("plugin")),
    name: v.string(),
    version: v.string(),
  },
  handler: async (ctx, args) => {
    const actor = await ctx.db.get(args.actorUserId);
    if (!actor || actor.deletedAt || actor.deactivatedAt) throw new ConvexError("Unauthorized");

    const name = args.name.trim();
    const versionLabel = args.version.trim();
    if (!name) throw new ConvexError("Name required");
    if (!versionLabel) throw new ConvexError("Version required");

    return args.kind === "plugin"
      ? await getStoredPackageScanReportForUser(ctx, {
          actor,
          kind: args.kind,
          name,
          version: versionLabel,
        })
      : await getStoredSkillScanReportForUser(ctx, {
          actor,
          kind: args.kind,
          name,
          version: versionLabel,
        });
  },
});

async function getStoredSkillScanReportForUser(
  ctx: QueryCtx,
  args: {
    actor: Doc<"users">;
    kind: StoredScanArtifactKind;
    name: string;
    version: string;
  },
) {
  const slug = args.name.toLowerCase();
  const skill = await ctx.db
    .query("skills")
    .withIndex("by_slug", (q) => q.eq("slug", slug))
    .unique();
  if (!skill) throw new ConvexError("Skill not found");

  await assertCanManageOwnedResource(ctx, {
    actor: args.actor,
    ownerUserId: skill.ownerUserId,
    ownerPublisherId: skill.ownerPublisherId,
    allowedPublisherRoles: ["publisher"],
    allowPlatformModerator: true,
  });

  const version = await ctx.db
    .query("skillVersions")
    .withIndex("by_skill_version", (q) => q.eq("skillId", skill._id).eq("version", args.version))
    .unique();
  if (!version) throw new ConvexError("Skill version not found");
  if (!hasStoredScanReport(version)) throw new ConvexError("Scan results not found");

  const completedAt = completedAtFromStoredScanReport(version);
  return {
    ok: true as const,
    scanId: `skill:${skill.slug}:${version.version}`,
    status: "succeeded" as const,
    sourceKind: "published" as const,
    update: false,
    writtenBack: true,
    artifact: {
      kind: args.kind,
      slug: skill.slug,
      displayName: skill.displayName,
      version: version.version,
      ...(version.sha256hash ? { sha256hash: version.sha256hash } : {}),
      fileCount: version.files.length,
    },
    report: storedScanReportFromArtifact(version),
    createdAt: version.createdAt,
    updatedAt: Math.max(version.createdAt, completedAt ?? version.createdAt),
    completedAt,
  };
}

async function getStoredPackageScanReportForUser(
  ctx: QueryCtx,
  args: {
    actor: Doc<"users">;
    kind: StoredScanArtifactKind;
    name: string;
    version: string;
  },
) {
  const normalizedName = normalizePackageName(args.name);
  const pkg = await ctx.db
    .query("packages")
    .withIndex("by_name", (q) => q.eq("normalizedName", normalizedName))
    .unique();
  if (!pkg || pkg.family === "skill") throw new ConvexError("Plugin not found");

  await assertCanManageOwnedResource(ctx, {
    actor: args.actor,
    ownerUserId: pkg.ownerUserId,
    ownerPublisherId: pkg.ownerPublisherId,
    allowedPublisherRoles: ["publisher"],
    allowPlatformModerator: true,
  });

  const release = await ctx.db
    .query("packageReleases")
    .withIndex("by_package_version", (q) => q.eq("packageId", pkg._id).eq("version", args.version))
    .unique();
  if (!release) throw new ConvexError("Plugin version not found");
  if (!hasStoredScanReport(release)) throw new ConvexError("Scan results not found");

  const completedAt = completedAtFromStoredScanReport(release);
  return {
    ok: true as const,
    scanId: `plugin:${pkg.normalizedName}:${release.version}`,
    status: "succeeded" as const,
    sourceKind: "published" as const,
    update: false,
    writtenBack: true,
    artifact: {
      kind: args.kind,
      name: pkg.name,
      displayName: pkg.displayName,
      version: release.version,
      ...(release.integritySha256 ? { sha256hash: release.integritySha256 } : {}),
      fileCount: release.files.length,
    },
    report: storedScanReportFromArtifact(release),
    createdAt: release.createdAt,
    updatedAt: Math.max(release.createdAt, completedAt ?? release.createdAt),
    completedAt,
  };
}

export const recordSkillScanRequestSucceededInternal = internalMutation({
  args: {
    scanId: v.id("skillScanRequests"),
    jobId: v.id("securityScanJobs"),
    runId: v.optional(v.string()),
    llmAnalysis: llmAnalysisValidator,
    skillSpectorAnalysis: v.optional(skillSpectorAnalysisValidator),
    writtenBack: v.optional(v.boolean()),
  },
  handler: async (ctx, args) => {
    const request = await ctx.db.get(args.scanId);
    if (!request) throw new ConvexError("Scan request not found");
    const now = Date.now();
    await ctx.db.patch(request._id, {
      status: "succeeded",
      llmAnalysis: args.llmAnalysis,
      ...(args.skillSpectorAnalysis
        ? { skillSpectorAnalysis: capSkillSpectorAnalysisForStorage(args.skillSpectorAnalysis) }
        : {}),
      writtenBack: args.writtenBack === true || request.writtenBack,
      runId: args.runId,
      completedAt: now,
      updatedAt: now,
    });
    return { ok: true as const };
  },
});

export const completeCatalogSkillScanJobInternal = internalMutation({
  args: {
    attemptId: v.id("skillsShCatalogScanAttempts"),
    scanId: v.id("skillScanRequests"),
    jobId: v.id("securityScanJobs"),
    leaseToken: v.string(),
    artifactContentHash: v.string(),
    verdict: catalogScanVerdictValidator,
    runId: v.optional(v.string()),
    llmAnalysis: llmAnalysisValidator,
    skillSpectorAnalysis: v.optional(skillSpectorAnalysisValidator),
  },
  handler: async (ctx, args) => {
    const environment = getSkillsShFixtureEnvironmentPolicy();
    if (!environment.allowed || environment.environment !== "test") {
      throw new ConvexError("catalog scan completion requires the permanent Test environment");
    }
    const [job, request, attempt] = await Promise.all([
      ctx.db.get(args.jobId),
      ctx.db.get(args.scanId),
      ctx.db.get(args.attemptId),
    ]);
    if (
      !job ||
      job.source !== "skills-sh-catalog-test" ||
      job.targetKind !== "skillScanRequest" ||
      job.skillScanRequestId !== args.scanId
    ) {
      throw new ConvexError("Catalog scan job linkage mismatch");
    }
    if (
      !request ||
      request.sourceKind !== "skills-sh-catalog" ||
      request.securityScanJobId !== args.jobId ||
      request.skillsShCatalogAttemptId !== args.attemptId
    ) {
      throw new ConvexError("Catalog scan request linkage mismatch");
    }
    if (
      !attempt ||
      attempt.dispatchKind !== "real" ||
      attempt.skillScanRequestId !== args.scanId ||
      attempt.securityScanJobId !== args.jobId
    ) {
      throw new ConvexError("Catalog scan attempt linkage mismatch");
    }
    const artifactContentHash = args.artifactContentHash.toLowerCase();
    if (
      !attempt.artifactContentHash ||
      attempt.artifactContentHash !== artifactContentHash ||
      request.sha256hash !== artifactContentHash
    ) {
      throw new ConvexError("Catalog scan artifact hash mismatch");
    }
    if (
      attempt.status === "succeeded" ||
      attempt.status === "failed" ||
      attempt.status === "canceled"
    ) {
      const expectedStatus = args.verdict === "failed" ? "failed" : "succeeded";
      if (
        attempt.status === expectedStatus &&
        attempt.verdict === args.verdict &&
        request.status === expectedStatus &&
        job.status === expectedStatus &&
        (expectedStatus !== "failed" ||
          (request.lastError === "Catalog scan analysis failed" &&
            job.lastError === "Catalog scan analysis failed"))
      ) {
        const terminalEntry = await ctx.db.get(attempt.entryId);
        return {
          ok: true as const,
          applied: true as const,
          publicVisible: terminalEntry?.publicVisible === true,
        };
      }
      if (
        attempt.status === "canceled" &&
        request.status === "failed" &&
        job.status === "failed" &&
        request.lastError === job.lastError
      ) {
        if (request.lastError === "Catalog run canceled before scan completion") {
          return { ok: true as const, applied: false as const, reason: "run-canceled" as const };
        }
        if (request.lastError === "Catalog source changed before scan completion") {
          return { ok: true as const, applied: false as const, reason: "stale-attempt" as const };
        }
      }
      throw new ConvexError("Catalog scan terminal result mismatch");
    }
    if (
      job.leaseToken !== args.leaseToken ||
      job.status !== "running" ||
      (attempt.status !== "queued" && attempt.status !== "running")
    ) {
      throw new ConvexError("Catalog scan job lease mismatch");
    }

    const [run, entry, control] = await Promise.all([
      ctx.db.get(attempt.runId),
      ctx.db.get(attempt.entryId),
      ctx.db
        .query("skillsShCatalogControls")
        .withIndex("by_key", (q) => q.eq("key", "global"))
        .unique(),
    ]);
    const now = Date.now();
    const terminalizeWithoutResult = async (reason: "run-canceled" | "stale-attempt") => {
      const entryStillCurrent = entry?.sourceContentHash === attempt.sourceContentHash;
      await ctx.db.patch(attempt._id, {
        status: "canceled",
        completedAt: now,
        updatedAt: now,
      });
      if (entryStillCurrent) {
        await ctx.db.patch(entry._id, {
          scanStatus: "canceled",
          publicVisible: false,
          updatedAt: now,
        });
      }
      await ctx.db.patch(request._id, {
        status: "failed",
        lastError:
          reason === "run-canceled"
            ? "Catalog run canceled before scan completion"
            : "Catalog source changed before scan completion",
        completedAt: now,
        updatedAt: now,
      });
      await ctx.db.patch(job._id, {
        status: "failed",
        lastError:
          reason === "run-canceled"
            ? "Catalog run canceled before scan completion"
            : "Catalog source changed before scan completion",
        completedAt: now,
        leaseToken: undefined,
        leaseExpiresAt: undefined,
        updatedAt: now,
      });
      if (run) {
        const [queued, running] = await Promise.all([
          ctx.db
            .query("skillsShCatalogScanAttempts")
            .withIndex("by_run_and_status", (q) => q.eq("runId", run._id).eq("status", "queued"))
            .first(),
          ctx.db
            .query("skillsShCatalogScanAttempts")
            .withIndex("by_run_and_status", (q) => q.eq("runId", run._id).eq("status", "running"))
            .first(),
        ]);
        await ctx.db.patch(run._id, {
          ...(reason === "run-canceled"
            ? { status: queued || running ? ("canceling" as const) : ("canceled" as const) }
            : {}),
          counts: {
            ...run.counts,
            scansCanceled: run.counts.scansCanceled + 1,
          },
          operations: {
            functionCalls: run.operations.functionCalls + 1,
            dbReads: run.operations.dbReads + 7,
            dbWrites: run.operations.dbWrites + (entryStillCurrent ? 5 : 4),
          },
          updatedAt: now,
        });
      }
      return { ok: true as const, applied: false as const, reason };
    };

    if (run?.status === "canceling" || run?.status === "canceled") {
      return await terminalizeWithoutResult("run-canceled");
    }
    const attemptIdentity =
      attempt.githubOwnerId !== undefined &&
      attempt.owner !== undefined &&
      attempt.repo !== undefined &&
      attempt.slug !== undefined
        ? {
            externalId: attempt.externalId,
            githubOwnerId: attempt.githubOwnerId,
            owner: attempt.owner,
            repo: attempt.repo,
            slug: attempt.slug,
            githubPath: attempt.githubPath,
            githubCommit: attempt.githubCommit,
            githubContentHash: attempt.githubContentHash,
            sourceContentHash: attempt.sourceContentHash,
            dispatchKind: attempt.dispatchKind,
            source: attempt.source,
          }
        : null;
    if (!entry || !attemptIdentity || !isExactSkillsShCatalogAttempt(entry, attemptIdentity)) {
      return await terminalizeWithoutResult("stale-attempt");
    }

    const scanFailed = args.verdict === "failed";
    const publicVisible =
      attempt.publicationRolledBackAt === undefined &&
      shouldPublishSkillsShCatalogEntry({
        control,
        entry,
        attempt: attemptIdentity,
        verdict: args.verdict,
      });
    await ctx.db.patch(attempt._id, {
      status: scanFailed ? "failed" : "succeeded",
      verdict: args.verdict,
      completedAt: now,
      updatedAt: now,
    });
    await ctx.db.patch(entry._id, {
      scanStatus: args.verdict,
      publicVisible,
      publishedScanAttemptId: publicVisible ? attempt._id : undefined,
      updatedAt: now,
    });
    await ctx.db.patch(request._id, {
      status: scanFailed ? "failed" : "succeeded",
      lastError: scanFailed ? "Catalog scan analysis failed" : undefined,
      llmAnalysis: args.llmAnalysis,
      ...(args.skillSpectorAnalysis
        ? { skillSpectorAnalysis: capSkillSpectorAnalysisForStorage(args.skillSpectorAnalysis) }
        : {}),
      writtenBack: request.writtenBack,
      runId: args.runId,
      completedAt: now,
      updatedAt: now,
    });
    await ctx.db.patch(job._id, {
      status: scanFailed ? "failed" : "succeeded",
      lastError: scanFailed ? "Catalog scan analysis failed" : undefined,
      runId: args.runId,
      completedAt: now,
      leaseToken: undefined,
      leaseExpiresAt: undefined,
      updatedAt: now,
    });
    if (run) {
      await ctx.db.patch(run._id, {
        counts: {
          ...run.counts,
          scansCompleted: run.counts.scansCompleted + 1,
        },
        operations: {
          functionCalls: run.operations.functionCalls + 1,
          dbReads: run.operations.dbReads + 5,
          dbWrites: run.operations.dbWrites + 5,
        },
        updatedAt: now,
      });
    }
    return { ok: true as const, applied: true as const, publicVisible };
  },
});

export const recordSkillScanRequestFailedInternal = internalMutation({
  args: {
    scanId: v.id("skillScanRequests"),
    error: v.string(),
    llmAnalysis: v.optional(llmAnalysisValidator),
  },
  handler: async (ctx, args) => {
    const request = await ctx.db.get(args.scanId);
    if (!request) throw new ConvexError("Scan request not found");
    const now = Date.now();
    const error = sanitizeWorkerErrorDetail(args.error, 2000);
    await ctx.db.patch(request._id, {
      status: "failed",
      lastError: error,
      ...(args.llmAnalysis ? { llmAnalysis: args.llmAnalysis } : {}),
      completedAt: now,
      updatedAt: now,
    });
    return { ok: true as const };
  },
});

export const recordGitHubSkillScanResultInternal = internalMutation({
  args: {
    githubSkillScanId: v.id("githubSkillScans"),
    scanStatus: githubSkillScanStatusValidator,
    llmAnalysis: v.optional(llmAnalysisValidator),
    skillSpectorAnalysis: v.optional(skillSpectorAnalysisValidator),
    error: v.optional(v.string()),
    runId: v.optional(v.string()),
  },
  handler: async (ctx, args) => {
    const scan = await ctx.db.get(args.githubSkillScanId);
    if (!scan) return { ok: true as const, skipped: "missing-scan" as const };
    const now = Date.now();
    const error = args.error ? sanitizeWorkerErrorDetail(args.error, 2000) : undefined;
    await ctx.db.patch(scan._id, {
      status: args.scanStatus,
      llmAnalysis: args.llmAnalysis,
      skillSpectorAnalysis: args.skillSpectorAnalysis,
      lastError: error,
      runId: args.runId,
      completedAt: now,
      updatedAt: now,
    });
    return await applyGitHubSkillVerificationResultHandler(ctx, {
      skillId: scan.skillId,
      contentHash: scan.contentHash,
      scanStatus: args.scanStatus,
      now,
    });
  },
});

export const pruneExpiredSkillScanRequestsInternal = internalMutation({
  args: {
    batchSize: v.optional(v.number()),
  },
  handler: async (ctx, args) => {
    const batchSize = Math.max(
      1,
      Math.min(
        args.batchSize ?? DEFAULT_PRUNE_SKILL_SCAN_REQUEST_LIMIT,
        MAX_PRUNE_SKILL_SCAN_REQUEST_LIMIT,
      ),
    );
    const now = Date.now();
    const requests = await ctx.db
      .query("skillScanRequests")
      .withIndex("by_expires_at", (q) => q.lt("expiresAt", now))
      .take(batchSize);

    let deletedJobs = 0;
    let deletedFiles = 0;
    let deletedRequests = 0;
    let deferredRequests = 0;
    for (const request of requests) {
      const job = request.securityScanJobId ? await ctx.db.get(request.securityScanJobId) : null;
      if (
        request.sourceKind === "skills-sh-catalog" &&
        job?.targetKind === "skillScanRequest" &&
        (job.status === "queued" || job.status === "running")
      ) {
        deferredRequests += 1;
        continue;
      }
      if (request.sourceKind === "skills-sh-catalog" && request.skillsShCatalogAttemptId) {
        const attempt = await ctx.db.get(request.skillsShCatalogAttemptId);
        const run = attempt ? await ctx.db.get(attempt.runId) : null;
        await terminalizeBlockedCatalogRetry(
          ctx,
          {
            kind: "blocked",
            request,
            ...(attempt ? { attempt } : {}),
            ...(run ? { run } : {}),
          },
          now,
        );
      }
      if (job?.targetKind === "skillScanRequest") {
        await ctx.db.delete(job._id);
        deletedJobs += 1;
      }
      const fileChunks =
        request.sourceKind === "github"
          ? await ctx.db
              .query("skillScanRequestFileChunks")
              .withIndex("by_skill_scan_request_id_and_chunk_index", (q) =>
                q.eq("skillScanRequestId", request._id),
              )
              .take(2)
          : [];
      if (fileChunks.length > 1) {
        const chunk = fileChunks[0];
        if (chunk) {
          for (const file of chunk.files) {
            try {
              await ctx.storage.delete(file.storageId);
              deletedFiles += 1;
            } catch {
              // Missing storage objects should not block expiry of the request row.
            }
          }
          await ctx.db.delete(chunk._id);
        }
        deferredRequests += 1;
        continue;
      }
      if (
        request.sourceKind === "upload" ||
        request.sourceKind === "github" ||
        request.sourceKind === "skills-sh-catalog"
      ) {
        for (const file of [...request.files, ...fileChunks.flatMap((chunk) => chunk.files)]) {
          try {
            await ctx.storage.delete(file.storageId);
            deletedFiles += 1;
          } catch {
            // Missing storage objects should not block expiry of the request row.
          }
        }
      }
      for (const chunk of fileChunks) await ctx.db.delete(chunk._id);
      await ctx.db.delete(request._id);
      deletedRequests += 1;
    }

    const done = requests.length < batchSize && deferredRequests === 0;
    if (!done) {
      await ctx.scheduler.runAfter(0, internal.securityScan.pruneExpiredSkillScanRequestsInternal, {
        batchSize,
      });
    }
    return {
      ok: true as const,
      deletedRequests,
      deferredRequests,
      deletedJobs,
      deletedFiles,
      done,
    };
  },
});

async function requestPackageRescanForActor(
  ctx: MutationCtx,
  args: {
    actor: Doc<"users">;
    pkg: Doc<"packages">;
    version?: string;
  },
) {
  await assertCanManageOwnedResource(ctx, {
    actor: args.actor,
    ownerUserId: args.pkg.ownerUserId,
    ownerPublisherId: args.pkg.ownerPublisherId,
    allowPlatformModerator: true,
  });

  const requestedVersion = args.version?.trim();
  const release = requestedVersion
    ? await ctx.db
        .query("packageReleases")
        .withIndex("by_package_version", (q) =>
          q.eq("packageId", args.pkg._id).eq("version", requestedVersion),
        )
        .unique()
    : args.pkg.latestReleaseId
      ? await ctx.db.get(args.pkg.latestReleaseId)
      : null;
  if (!release || release.softDeletedAt) throw new ConvexError("Package release not found");

  const queued = await enqueuePackageReleaseScan(ctx, {
    releaseId: release._id,
    source: "manual",
    priority: 100,
    waitForVtMs: 0,
  });
  if (!queued.jobId) throw new ConvexError("Package release not found");

  await ctx.db.insert("auditLogs", {
    actorUserId: args.actor._id,
    action: "package.clawscan.rescan",
    targetType: "packageRelease",
    targetId: release._id,
    metadata: {
      packageId: args.pkg._id,
      name: args.pkg.name,
      version: release.version,
      jobId: queued.jobId,
      alreadyQueued: queued.alreadyQueued === true,
    },
    createdAt: Date.now(),
  });

  return {
    ok: true as const,
    name: args.pkg.name,
    version: release.version,
    packageId: args.pkg._id,
    packageReleaseId: release._id,
    jobId: queued.jobId,
    alreadyQueued: queued.alreadyQueued === true,
  };
}

export const requestPackageRescanForUserInternal = internalMutation({
  args: {
    actorUserId: v.id("users"),
    name: v.string(),
    version: v.optional(v.string()),
  },
  handler: async (ctx, args) => {
    const actor = await ctx.db.get(args.actorUserId);
    if (!actor) throw new ConvexError("Unauthorized");

    const normalizedName = normalizePackageName(args.name);
    if (!normalizedName) throw new ConvexError("Package name required");
    const pkg = await ctx.db
      .query("packages")
      .withIndex("by_name", (q) => q.eq("normalizedName", normalizedName))
      .unique();
    if (!pkg || pkg.softDeletedAt || pkg.family === "skill")
      throw new ConvexError("Package not found");

    return requestPackageRescanForActor(ctx, { actor, pkg, version: args.version });
  },
});

export const requestPackageRescan = mutation({
  args: {
    packageId: v.id("packages"),
    version: v.optional(v.string()),
  },
  handler: async (ctx, args) => {
    const { user } = await requireUser(ctx);
    const pkg = await ctx.db.get(args.packageId);
    if (!pkg || pkg.softDeletedAt || pkg.family === "skill")
      throw new ConvexError("Package not found");

    return requestPackageRescanForActor(ctx, { actor: user, pkg, version: args.version });
  },
});

async function enqueueSkillVersionScan(ctx: MutationCtx, args: EnqueueSkillVersionScanArgs) {
  const version = await ctx.db.get(args.versionId);
  if (!version || version.softDeletedAt) return { ok: true as const, skipped: "missing" as const };
  const now = Date.now();
  const waitForVtUntil = now + Math.max(0, args.waitForVtMs ?? defaultVtWaitMs());
  const nextRunAt = args.waitForVtMs === 0 || version.vtAnalysis ? now : waitForVtUntil;
  const hasMaliciousSignal = false;

  const existing = await ctx.db
    .query("securityScanJobs")
    .withIndex("by_skill_version", (q) => q.eq("skillVersionId", args.versionId))
    .collect();
  const active = existing.find((job) => job.status === "queued" || job.status === "running");
  if (active) {
    if (args.preserveActiveJob) {
      return { ok: true as const, jobId: active._id, alreadyQueued: true as const };
    }
    await ctx.db.patch(active._id, {
      source: higherPrioritySource(active.source, args.source),
      priority: Math.max(active.priority, args.priority ?? 0),
      hasMaliciousSignal,
      waitForVtUntil: Math.min(active.waitForVtUntil, waitForVtUntil),
      nextRunAt: Math.min(active.nextRunAt, nextRunAt),
      updatedAt: now,
    });
    await requestSecurityScanDispatch(ctx);
    return { ok: true as const, jobId: active._id, alreadyQueued: true as const };
  }
  const preservedExisting = args.preserveExistingJob
    ? existing
        .filter((job) => job.source === args.source)
        .sort((a, b) => b.updatedAt - a.updatedAt)[0]
    : undefined;
  if (preservedExisting) {
    return { ok: true as const, jobId: preservedExisting._id, alreadyQueued: true as const };
  }

  const jobId = await ctx.db.insert("securityScanJobs", {
    targetKind: "skillVersion",
    skillVersionId: args.versionId,
    status: "queued",
    source: args.source,
    priority: args.priority ?? 0,
    hasMaliciousSignal,
    waitForVtUntil,
    nextRunAt,
    attempts: 0,
    createdAt: now,
    updatedAt: now,
  });
  await requestSecurityScanDispatch(ctx);
  return { ok: true as const, jobId, alreadyQueued: false as const };
}

export const enqueuePackageReleaseScanInternal = internalMutation({
  args: {
    releaseId: v.id("packageReleases"),
    source: jobSourceValidator,
    priority: v.optional(v.number()),
    waitForVtMs: v.optional(v.number()),
  },
  handler: async (ctx, args) => {
    return enqueuePackageReleaseScan(ctx, args);
  },
});

async function enqueuePackageReleaseScan(ctx: MutationCtx, args: EnqueuePackageReleaseScanArgs) {
  const release = await ctx.db.get(args.releaseId);
  if (!release || release.softDeletedAt) return { ok: true as const, skipped: "missing" as const };
  const now = Date.now();
  const waitForVtUntil = now + Math.max(0, args.waitForVtMs ?? DEFAULT_VT_WAIT_MS);
  const nextRunAt = args.waitForVtMs === 0 || release.vtAnalysis ? now : waitForVtUntil;
  const hasMaliciousSignal = false;

  const existing = await ctx.db
    .query("securityScanJobs")
    .withIndex("by_package_release", (q) => q.eq("packageReleaseId", args.releaseId))
    .collect();
  const active = existing.find((job) => job.status === "queued" || job.status === "running");
  if (active) {
    await ctx.db.patch(active._id, {
      source: higherPrioritySource(active.source, args.source),
      priority: Math.max(active.priority, args.priority ?? 0),
      hasMaliciousSignal,
      waitForVtUntil: Math.min(active.waitForVtUntil, waitForVtUntil),
      nextRunAt: Math.min(active.nextRunAt, nextRunAt),
      updatedAt: now,
    });
    await requestSecurityScanDispatch(ctx);
    return { ok: true as const, jobId: active._id, alreadyQueued: true as const };
  }

  const jobId = await ctx.db.insert("securityScanJobs", {
    targetKind: "packageRelease",
    packageReleaseId: args.releaseId,
    status: "queued",
    source: args.source,
    priority: args.priority ?? 0,
    hasMaliciousSignal,
    waitForVtUntil,
    nextRunAt,
    attempts: 0,
    createdAt: now,
    updatedAt: now,
  });
  await requestSecurityScanDispatch(ctx);
  return { ok: true as const, jobId, alreadyQueued: false as const };
}

export const cancelQueuedVtUpdateJobsInternal = internalMutation({
  args: {
    dryRun: v.boolean(),
    createdBefore: v.number(),
    scanLimit: v.optional(v.number()),
    deleteLimit: v.optional(v.number()),
  },
  handler: async (ctx, args) => {
    const scanLimit = normalizeMaintenanceScanLimit(args.scanLimit);
    const deleteLimit = normalizeMaintenanceDeleteLimit(args.deleteLimit, scanLimit);
    const jobs = await ctx.db
      .query("securityScanJobs")
      .withIndex("by_status_source_created_at", (q) =>
        q.eq("status", "queued").eq("source", "vt-update").lt("createdAt", args.createdBefore),
      )
      .order("asc")
      .take(scanLimit);

    const skippedByReason: Partial<Record<CancelSkipReason, number>> = {};
    const sampleMatchedJobIds: string[] = [];
    const sampleDeletedJobIds: string[] = [];
    let matched = 0;
    let deleted = 0;

    for (const job of jobs) {
      if (job.status !== "queued") {
        incrementSkip(
          skippedByReason,
          job.source === "vt-update" ? "not-queued-vt-update" : "not-queued",
        );
        continue;
      }
      if (job.source !== "vt-update") {
        incrementSkip(skippedByReason, "not-vt-update");
        continue;
      }
      if (job.hasMaliciousSignal) {
        incrementSkip(skippedByReason, "malicious-signal");
        continue;
      }

      const targetId =
        job.targetKind === "skillVersion" ? job.skillVersionId : job.packageReleaseId;
      if (!targetId) {
        incrementSkip(skippedByReason, "missing-target-id");
        continue;
      }
      const target = await ctx.db.get(targetId);
      if (!target || target.softDeletedAt) {
        incrementSkip(skippedByReason, "missing-target");
        continue;
      }
      const rawLlmStatus = target.llmAnalysis?.status?.trim();
      if (!rawLlmStatus) {
        incrementSkip(skippedByReason, "missing-llm-analysis");
        continue;
      }
      if (!finalLlmAnalysisStatuses.has(rawLlmStatus.toLowerCase())) {
        incrementSkip(skippedByReason, "non-final-llm-analysis");
        continue;
      }

      // Emergency cleanup: source may have been overwritten by a VT update, but this
      // intentionally cancels old VT-origin work once ClawScan has a final result.
      matched += 1;
      if (sampleMatchedJobIds.length < CANCEL_SAMPLE_LIMIT) sampleMatchedJobIds.push(job._id);
      if (matched > deleteLimit) {
        incrementSkip(skippedByReason, "delete-limit-reached");
        continue;
      }
      if (args.dryRun) continue;

      await ctx.db.delete(job._id);
      deleted += 1;
      if (sampleDeletedJobIds.length < CANCEL_SAMPLE_LIMIT) sampleDeletedJobIds.push(job._id);
    }

    const oldestScannedJob = jobs[0];
    const newestScannedJob = jobs.at(-1);
    return {
      dryRun: args.dryRun,
      scanned: jobs.length,
      matched,
      wouldDelete: Math.min(matched, deleteLimit),
      deleted,
      skippedByReason,
      oldestScannedCreatedAt: oldestScannedJob?.createdAt ?? null,
      newestScannedCreatedAt: newestScannedJob?.createdAt ?? null,
      oldestScannedNextRunAt: oldestScannedJob?.nextRunAt ?? null,
      newestScannedNextRunAt: newestScannedJob?.nextRunAt ?? null,
      sampleMatchedJobIds,
      sampleDeletedJobIds,
    };
  },
});

export const clearQueuedBackfillJobsForLocalDev = internalMutation({
  args: {
    dryRun: v.optional(v.boolean()),
    limit: v.optional(v.number()),
  },
  handler: async (ctx, args) => {
    const localDevEnabled =
      process.env.DEV_AUTH_ENABLED === "1" ||
      process.env.SECURITY_SCAN_WORKER_TOKEN === "local-dev-worker-token";
    if (!localDevEnabled) {
      throw new ConvexError("Refusing to clear backfill scan jobs outside local dev");
    }

    const limit = Math.max(1, Math.min(args.limit ?? 1000, MAX_CANCEL_SCAN_LIMIT));
    const jobs = await ctx.db
      .query("securityScanJobs")
      .withIndex("by_status_source_created_at", (q) =>
        q.eq("status", "queued").eq("source", "backfill"),
      )
      .order("asc")
      .take(limit);

    const sampleDeletedJobIds: string[] = [];
    if (!args.dryRun) {
      for (const job of jobs) {
        await ctx.db.delete(job._id);
        if (sampleDeletedJobIds.length < CANCEL_SAMPLE_LIMIT) sampleDeletedJobIds.push(job._id);
      }
    }

    return {
      dryRun: args.dryRun === true,
      matched: jobs.length,
      deleted: args.dryRun ? 0 : jobs.length,
      sampleDeletedJobIds,
    };
  },
});

type ReadySourceJobsForClaimPage = {
  page: Doc<"securityScanJobs">[];
  isDone: boolean;
  continueCursor: string;
};

export async function listReadySourceJobsForClaimHandler(
  ctx: QueryCtx,
  args: {
    source: SecurityScanJobSource;
    now: number;
    cursor: string | null;
    numItems: number;
    excludeGitHubSkillSync: boolean;
  },
): Promise<ReadySourceJobsForClaimPage> {
  const query = ctx.db
    .query("securityScanJobs")
    .withIndex("by_status_source_next_run_at", (q) =>
      q.eq("status", "queued").eq("source", args.source).lte("nextRunAt", args.now),
    );
  const eligibleQuery = args.excludeGitHubSkillSync
    ? query.filter((q) => q.neq(q.field("rolloutGate"), "github-skill-sync"))
    : query;
  return await eligibleQuery.order("asc").paginate({
    cursor: args.cursor,
    numItems: args.numItems,
  });
}

export const listReadySourceJobsForClaimInternal = internalQuery({
  args: {
    source: jobSourceValidator,
    now: v.number(),
    cursor: v.union(v.string(), v.null()),
    numItems: v.number(),
    excludeGitHubSkillSync: v.boolean(),
  },
  handler: listReadySourceJobsForClaimHandler,
});

export const claimQueuedJobsInternal = internalMutation({
  args: {
    workerId: v.string(),
    lane: v.optional(codexScanWorkerLaneValidator),
    limit: v.number(),
    leaseMs: v.optional(v.number()),
  },
  handler: async (ctx, args) => {
    const now = Date.now();
    const limit = normalizeLimit(args.limit);
    const leaseMs = Math.max(60_000, Math.min(args.leaseMs ?? DEFAULT_LEASE_MS, 60 * 60 * 1000));
    const capacity = limit;

    const ready: Doc<"securityScanJobs">[] = [];
    const claimedIds = new Set<Id<"securityScanJobs">>();
    const remainingCapacity = () => capacity - ready.length;
    let catalogGate:
      | {
          control: Doc<"skillsShCatalogControls">;
          health: Awaited<ReturnType<typeof readCatalogClaimHealth>>;
        }
      | null
      | undefined;
    const loadCatalogGate = async () => {
      if (catalogGate !== undefined) return catalogGate;
      const environment = getSkillsShFixtureEnvironmentPolicy();
      if (!environment.allowed || environment.environment !== "test") {
        catalogGate = null;
        return catalogGate;
      }
      const control = await ctx.db
        .query("skillsShCatalogControls")
        .withIndex("by_key", (q) => q.eq("key", "global"))
        .unique();
      catalogGate = control
        ? {
            control,
            health: await readCatalogClaimHealth(ctx, control),
          }
        : null;
      return catalogGate;
    };
    const addReadyJobs = (jobs: Doc<"securityScanJobs">[], stopAtCapacity = true) => {
      for (const job of jobs) {
        if (stopAtCapacity && remainingCapacity() === 0) break;
        if (claimedIds.has(job._id) || job.nextRunAt > now) continue;
        claimedIds.add(job._id);
        ready.push(job);
      }
    };
    const githubSkillSyncEnabled = getRuntimeRolloutCapabilities().githubSkillSync.runtimeEnabled;
    const isJobRolloutClaimable = async (job: Doc<"securityScanJobs">) => {
      if (
        githubSkillSyncEnabled ||
        job.targetKind !== "skillScanRequest" ||
        !job.skillScanRequestId
      ) {
        return true;
      }
      const request = await ctx.db.get(job.skillScanRequestId);
      if (request?.sourceKind !== "github" || !request.githubSkillScanId) return true;
      const scan = await ctx.db.get(request.githubSkillScanId);
      return scan ? await isGitHubSkillScanAllowed(ctx, scan.githubSourceId) : false;
    };
    const takeReadySourceJobs = async (source: SecurityScanJobSource) => {
      if (remainingCapacity() === 0) return [];
      let takeLimit = remainingCapacity();
      if (source === "skills-sh-catalog-test") {
        const gate = await loadCatalogGate();
        if (
          !gate ||
          gate.control.mode !== "staging-live" ||
          gate.control.paused ||
          !gate.control.scanAdmissionEnabled ||
          !gate.health.claimable
        ) {
          return [];
        }
        // Scan a bounded window independent of the current admission cap so paused
        // or canceled jobs cannot hide later runnable backlog after the cap is lowered.
        takeLimit = MAX_CODEX_SCAN_CLAIM_LIMIT;
      }
      const eligible: Doc<"securityScanJobs">[] = [];
      let cursor: string | null = null;
      do {
        const page: ReadySourceJobsForClaimPage = await runQueryRef<ReadySourceJobsForClaimPage>(
          ctx,
          internalRefs.securityScan.listReadySourceJobsForClaimInternal,
          {
            source,
            now,
            cursor,
            numItems: githubSkillSyncEnabled
              ? Math.min(takeLimit, MAX_CODEX_SCAN_CLAIM_LIMIT)
              : MAX_CODEX_SCAN_CLAIM_LIMIT,
            excludeGitHubSkillSync: !githubSkillSyncEnabled,
          },
        );
        for (const job of page.page) {
          if (await isJobRolloutClaimable(job)) eligible.push(job);
          if (eligible.length >= takeLimit) return eligible;
        }
        cursor = page.isDone ? null : page.continueCursor;
      } while (cursor);
      return eligible;
    };

    if (args.lane === "catalog") {
      addReadyJobs(await takeReadySourceJobs("skills-sh-catalog-test"), false);
    } else {
      addReadyJobs(await takeReadySourceJobs("manual"));

      if (remainingCapacity() > 0) {
        addReadyJobs(
          await ctx.db
            .query("securityScanJobs")
            .withIndex("by_status_malicious_signal_next_run_at", (q) =>
              q.eq("status", "queued").eq("hasMaliciousSignal", true).lte("nextRunAt", now),
            )
            .order("asc")
            .take(remainingCapacity()),
        );
      }

      // Shared workers remain work-conserving and may help priority work. The dedicated
      // priority lane never claims bulk sources, which guarantees reserved fast-path capacity.
      for (const source of CLAIM_SOURCE_ORDER) {
        addReadyJobs(await takeReadySourceJobs(source), source !== "skills-sh-catalog-test");
        if (remainingCapacity() === 0) break;
        if (args.lane === "priority" && source === "publish") break;
      }
    }

    const claimed = [];
    let catalogClaims = 0;
    for (const selectedJob of ready) {
      if (claimed.length >= capacity) break;
      const job = await ctx.db.get(selectedJob._id);
      if (
        !job ||
        job.status !== "queued" ||
        job.source !== selectedJob.source ||
        job.nextRunAt > now
      ) {
        continue;
      }
      if (!(await isJobRolloutClaimable(job))) continue;
      let catalogAttemptId: Id<"skillsShCatalogScanAttempts"> | null = null;
      if (job.source === "skills-sh-catalog-test") {
        if (!job.skillScanRequestId) {
          continue;
        }
        const request = await ctx.db.get(job.skillScanRequestId);
        const attempt = request?.skillsShCatalogAttemptId
          ? await ctx.db.get(request.skillsShCatalogAttemptId)
          : null;
        const run = attempt ? await ctx.db.get(attempt.runId) : null;
        await loadCatalogGate();
        const control = catalogGate?.control ?? null;
        const health = catalogGate?.health ?? null;
        if (
          !request ||
          request.sourceKind !== "skills-sh-catalog" ||
          !attempt ||
          attempt.skillScanRequestId !== request._id ||
          attempt.securityScanJobId !== job._id ||
          attempt.status !== "queued" ||
          !run ||
          run.status === "paused" ||
          run.status === "canceling" ||
          run.status === "canceled" ||
          run.status === "failed" ||
          !control ||
          control.mode !== "staging-live" ||
          control.paused ||
          !control.scanAdmissionEnabled ||
          !health?.claimable ||
          health.catalogInFlight + catalogClaims >= control.maxCatalogInFlight
        ) {
          continue;
        }
        catalogAttemptId = attempt._id;
      }
      const leaseToken = crypto.randomUUID();
      await ctx.db.patch(job._id, {
        status: "running",
        attempts: job.attempts + 1,
        leaseToken,
        leaseExpiresAt: now + leaseMs,
        workerId: args.workerId,
        lastError: undefined,
        updatedAt: now,
      });
      if (job.targetKind === "skillScanRequest" && job.skillScanRequestId) {
        await ctx.db.patch(job.skillScanRequestId, {
          status: "running",
          lastError: undefined,
          updatedAt: now,
        });
      }
      if (catalogAttemptId) {
        await ctx.db.patch(catalogAttemptId, {
          status: "running",
          updatedAt: now,
        });
        catalogClaims += 1;
      }
      claimed.push({
        ...job,
        status: "running" as const,
        attempts: job.attempts + 1,
        leaseToken,
        leaseExpiresAt: now + leaseMs,
        workerId: args.workerId,
      });
    }
    return claimed;
  },
});

async function readCatalogClaimHealth(ctx: MutationCtx, control: Doc<"skillsShCatalogControls">) {
  const nativeSources = ["publish", "vt-update", "backfill", "bulk-rescan", "manual"] as const;
  const [nativeQueuedBySource, nativeRunningBySource, catalogQueued, catalogRunning] =
    await Promise.all([
      Promise.all(
        nativeSources.map(async (source) =>
          ctx.db
            .query("securityScanJobs")
            .withIndex("by_status_source_created_at", (q) =>
              q.eq("status", "queued").eq("source", source),
            )
            .take(control.maxNativeQueued + 1),
        ),
      ),
      Promise.all(
        nativeSources.map(async (source) =>
          ctx.db
            .query("securityScanJobs")
            .withIndex("by_status_source_created_at", (q) =>
              q.eq("status", "running").eq("source", source),
            )
            .take(control.maxNativeInFlight + 1),
        ),
      ),
      ctx.db
        .query("skillsShCatalogScanAttempts")
        .withIndex("by_dispatch_kind_and_status_and_created_at", (q) =>
          q.eq("dispatchKind", "real").eq("status", "queued"),
        )
        .take(control.maxCatalogQueued + 1),
      ctx.db
        .query("skillsShCatalogScanAttempts")
        .withIndex("by_dispatch_kind_and_status_and_created_at", (q) =>
          q.eq("dispatchKind", "real").eq("status", "running"),
        )
        .take(control.maxCatalogInFlight + 1),
    ]);
  const nativeQueued = Math.min(
    control.maxNativeQueued + 1,
    nativeQueuedBySource.reduce((count, jobs) => count + jobs.length, 0),
  );
  const nativeInFlight = Math.min(
    control.maxNativeInFlight + 1,
    nativeRunningBySource.reduce((count, jobs) => count + jobs.length, 0),
  );
  return {
    nativeQueued,
    nativeInFlight,
    catalogQueued: catalogQueued.length,
    catalogInFlight: catalogRunning.length,
    // Queued depth is an admission limit, not a drain limit. Already admitted work
    // must remain claimable after an operator lowers maxCatalogQueued.
    claimable:
      nativeQueued <= control.maxNativeQueued &&
      nativeInFlight <= control.maxNativeInFlight &&
      catalogRunning.length <= control.maxCatalogInFlight,
  };
}

type CatalogRetryDecision =
  | { kind: "not-catalog" }
  | {
      kind: "allowed";
      attemptId: Id<"skillsShCatalogScanAttempts">;
      requestId: Id<"skillScanRequests">;
    }
  | {
      kind: "blocked";
      request?: Doc<"skillScanRequests">;
      attempt?: Doc<"skillsShCatalogScanAttempts">;
      run?: Doc<"skillsShCatalogRuns">;
    };

async function prepareCatalogRetry(
  ctx: MutationCtx,
  job: Doc<"securityScanJobs">,
  now: number,
  retryAllowed = true,
): Promise<CatalogRetryDecision> {
  if (job.source !== "skills-sh-catalog-test") return { kind: "not-catalog" };
  if (job.targetKind !== "skillScanRequest" || !job.skillScanRequestId) {
    return { kind: "blocked" };
  }
  const request = await ctx.db.get(job.skillScanRequestId);
  if (!request || request.sourceKind !== "skills-sh-catalog" || !request.skillsShCatalogAttemptId) {
    return { kind: "blocked", ...(request ? { request } : {}) };
  }
  const attempt = await ctx.db.get(request.skillsShCatalogAttemptId);
  if (
    !attempt ||
    attempt.skillScanRequestId !== request._id ||
    attempt.securityScanJobId !== job._id
  ) {
    return { kind: "blocked", request };
  }
  const run = await ctx.db.get(attempt.runId);
  if (
    !retryAllowed ||
    (attempt.status !== "queued" && attempt.status !== "running") ||
    !run ||
    run.status === "canceling" ||
    run.status === "canceled" ||
    run.status === "failed"
  ) {
    return { kind: "blocked", request, attempt, ...(run ? { run } : {}) };
  }
  await ctx.db.patch(attempt._id, {
    status: "queued",
    updatedAt: now,
  });
  return {
    kind: "allowed",
    attemptId: attempt._id,
    requestId: request._id,
  };
}

async function terminalizeBlockedCatalogRetry(
  ctx: MutationCtx,
  decision: Extract<CatalogRetryDecision, { kind: "blocked" }>,
  now: number,
) {
  const attempt = decision.attempt;
  if (!attempt || (attempt.status !== "queued" && attempt.status !== "running")) return;

  const canceled = decision.run?.status === "canceling" || decision.run?.status === "canceled";
  await ctx.db.patch(attempt._id, {
    status: canceled ? "canceled" : "failed",
    verdict: canceled ? undefined : "failed",
    completedAt: now,
    updatedAt: now,
  });

  const entry = await ctx.db.get(attempt.entryId);
  const entryShouldBeTerminalized =
    entry?.sourceContentHash === attempt.sourceContentHash &&
    (entry.scanStatus === "planned" || entry.scanStatus === "queued");
  if (entryShouldBeTerminalized) {
    await ctx.db.patch(entry._id, {
      scanStatus: canceled ? "canceled" : "failed",
      publicVisible: false,
      updatedAt: now,
    });
  }

  if (decision.run) {
    await ctx.db.patch(decision.run._id, {
      counts: {
        ...decision.run.counts,
        scansCompleted: decision.run.counts.scansCompleted + (canceled ? 0 : 1),
        scansCanceled: decision.run.counts.scansCanceled + (canceled ? 1 : 0),
      },
      operations: {
        ...decision.run.operations,
        functionCalls: decision.run.operations.functionCalls + 1,
        dbReads: decision.run.operations.dbReads + 4,
        dbWrites: decision.run.operations.dbWrites + (entryShouldBeTerminalized ? 3 : 2),
      },
      updatedAt: now,
    });
  }
}

export const requeueExpiredCodexScanJobsInternal = internalMutation({
  args: {
    limit: v.optional(v.number()),
  },
  handler: async (ctx, args) => {
    const now = Date.now();
    const jobs = await ctx.db
      .query("securityScanJobs")
      .withIndex("by_status_and_lease_expires_at", (q) =>
        q.eq("status", "running").lte("leaseExpiresAt", now),
      )
      .take(
        Math.max(
          1,
          Math.min(args.limit ?? MAX_EXPIRED_CODEX_SCAN_LEASE_REQUEUES, MAX_CODEX_SCAN_CLAIM_LIMIT),
        ),
      );
    let requeued = 0;
    for (const job of jobs) {
      const catalogRetry = await prepareCatalogRetry(ctx, job, now);
      if (catalogRetry.kind === "blocked") {
        await terminalizeBlockedCatalogRetry(ctx, catalogRetry, now);
        await ctx.db.patch(job._id, {
          status: "failed",
          lastError: "Catalog scan retry blocked by inactive or invalid linkage",
          completedAt: now,
          leaseToken: undefined,
          leaseExpiresAt: undefined,
          workerId: undefined,
          updatedAt: now,
        });
        if (catalogRetry.request) {
          await ctx.db.patch(catalogRetry.request._id, {
            status: "failed",
            lastError: "Catalog scan retry blocked by inactive or invalid linkage",
            completedAt: now,
            updatedAt: now,
          });
        }
        continue;
      }
      await ctx.db.patch(job._id, {
        status: "queued",
        leaseToken: undefined,
        leaseExpiresAt: undefined,
        workerId: undefined,
        nextRunAt: now,
        updatedAt: now,
      });
      if (catalogRetry.kind === "allowed") {
        await ctx.db.patch(catalogRetry.requestId, {
          status: "queued",
          lastError: undefined,
          completedAt: undefined,
          updatedAt: now,
        });
      }
      requeued += 1;
    }
    if (requeued > 0) await requestSecurityScanDispatch(ctx);
    return { requeued };
  },
});

export const requeueFailedSecurityScanJobsInternal = internalMutation({
  args: {
    failedAfter: v.number(),
    failedBefore: v.number(),
    dryRun: v.boolean(),
    limit: v.optional(v.number()),
  },
  handler: async (ctx, args) => {
    if (args.failedBefore <= args.failedAfter) {
      throw new ConvexError("failedBefore must be greater than failedAfter");
    }
    const limit = Math.max(
      1,
      Math.min(
        Math.floor(args.limit ?? DEFAULT_FAILED_SCAN_RECOVERY_LIMIT),
        MAX_FAILED_SCAN_RECOVERY_LIMIT,
      ),
    );
    const jobs = await ctx.db
      .query("securityScanJobs")
      .withIndex("by_status_and_updated_at", (q) =>
        q
          .eq("status", "failed")
          .gte("updatedAt", args.failedAfter)
          .lt("updatedAt", args.failedBefore),
      )
      .filter((q) => q.neq(q.field("source"), "skills-sh-catalog-test"))
      .order("asc")
      .take(limit + 1);
    const matched = jobs.slice(0, limit);
    const bySource: Partial<Record<SecurityScanJobSource, number>> = {};
    const byTargetKind: Partial<Record<Doc<"securityScanJobs">["targetKind"], number>> = {};
    let requeued = 0;

    for (const job of matched) {
      bySource[job.source] = (bySource[job.source] ?? 0) + 1;
      byTargetKind[job.targetKind] = (byTargetKind[job.targetKind] ?? 0) + 1;
      if (args.dryRun) continue;

      const now = Date.now();
      await ctx.db.patch(job._id, {
        status: "queued",
        attempts: 0,
        lastError: undefined,
        runId: undefined,
        completedAt: undefined,
        leaseToken: undefined,
        leaseExpiresAt: undefined,
        workerId: undefined,
        nextRunAt: now,
        updatedAt: now,
      });
      if (job.targetKind === "skillScanRequest" && job.skillScanRequestId) {
        const request = await ctx.db.get(job.skillScanRequestId);
        await ctx.db.patch(job.skillScanRequestId, {
          status: "queued",
          lastError: undefined,
          completedAt: undefined,
          updatedAt: now,
        });
        if (request?.githubSkillScanId) {
          const scan = await ctx.db.get(request.githubSkillScanId);
          if (scan) {
            await ctx.db.patch(scan._id, {
              status: "pending",
              skillSpectorAnalysis: undefined,
              llmAnalysis: undefined,
              lastError: undefined,
              runId: undefined,
              completedAt: undefined,
              updatedAt: now,
            });
            await applyGitHubSkillVerificationResultHandler(ctx, {
              skillId: scan.skillId,
              contentHash: scan.contentHash,
              scanStatus: "pending",
              now,
            });
          }
        }
      }
      requeued += 1;
    }

    if (!args.dryRun && requeued > 0) await requestSecurityScanDispatch(ctx);
    return {
      dryRun: args.dryRun,
      matched: matched.length,
      requeued: args.dryRun ? 0 : requeued,
      hasMore: jobs.length > limit,
      bySource,
      byTargetKind,
      sampleJobIds: matched.slice(0, FAILED_SCAN_RECOVERY_SAMPLE_LIMIT).map((job) => job._id),
    };
  },
});

export const getJobTargetInternal = internalQuery({
  args: {
    jobId: v.id("securityScanJobs"),
  },
  handler: async (ctx, args) => {
    const job = await ctx.db.get(args.jobId);
    if (!job) return null;
    if (job.targetKind === "skillVersion" && job.skillVersionId) {
      const version = await ctx.db.get(job.skillVersionId);
      if (!version || version.softDeletedAt) return { job, missing: true as const };
      const skill = await ctx.db.get(version.skillId);
      return { job, skill, version };
    }
    if (job.targetKind === "packageRelease" && job.packageReleaseId) {
      const release = await ctx.db.get(job.packageReleaseId);
      if (!release || release.softDeletedAt) return { job, missing: true as const };
      const pkg = await ctx.db.get(release.packageId);
      const ownerPublisher = pkg?.ownerPublisherId ? await ctx.db.get(pkg.ownerPublisherId) : null;
      return {
        job,
        package: pkg,
        release,
        trustedOpenClawPlugin: isOpenClawPluginPackage(pkg, ownerPublisher),
      };
    }
    if (job.targetKind === "skillScanRequest" && job.skillScanRequestId) {
      const scanRequest = await ctx.db.get(job.skillScanRequestId);
      if (!scanRequest) return { job, missing: true as const };
      const version = scanRequest.skillVersionId
        ? await ctx.db.get(scanRequest.skillVersionId)
        : null;
      const skill = scanRequest.skillId ? await ctx.db.get(scanRequest.skillId) : null;
      const githubScan = scanRequest.githubSkillScanId
        ? await ctx.db.get(scanRequest.githubSkillScanId)
        : null;
      let scanRequestFiles = scanRequest.files;
      if (scanRequest.sourceKind === "github") {
        const chunks = await ctx.db
          .query("skillScanRequestFileChunks")
          .withIndex("by_skill_scan_request_id_and_chunk_index", (q) =>
            q.eq("skillScanRequestId", scanRequest._id),
          )
          .take(MAX_SKILL_SCAN_REQUEST_FILE_CHUNKS + 1);
        const manifestBytes = chunks.reduce(
          (total, chunk) => total + serializedSkillScanRequestFilesBytes(chunk.files),
          0,
        );
        const declaredChunkCount = scanRequest.fileChunkCount ?? chunks.length;
        if (
          chunks.length > MAX_SKILL_SCAN_REQUEST_FILE_CHUNKS ||
          chunks.length !== declaredChunkCount ||
          manifestBytes > MAX_SKILL_SCAN_REQUEST_MANIFEST_BYTES ||
          (scanRequest.fileManifestBytes !== undefined &&
            manifestBytes !== scanRequest.fileManifestBytes)
        ) {
          return { job, missing: true as const };
        }
        scanRequestFiles = chunks.flatMap((chunk) => chunk.files);
      }
      return {
        job,
        skill,
        version: version ?? undefined,
        scanRequest,
        scanRequestFiles,
        githubScan: githubScan ?? undefined,
      };
    }
    return { job, missing: true as const };
  },
});

export const succeedJobInternal = internalMutation({
  args: {
    jobId: v.id("securityScanJobs"),
    leaseToken: v.string(),
    runId: v.optional(v.string()),
  },
  handler: async (ctx, args) => {
    const job = await ctx.db.get(args.jobId);
    if (!job || job.leaseToken !== args.leaseToken) throw new ConvexError("Lease mismatch");
    const now = Date.now();
    await ctx.db.patch(args.jobId, {
      status: "succeeded",
      runId: args.runId,
      completedAt: now,
      leaseToken: undefined,
      leaseExpiresAt: undefined,
      updatedAt: now,
    });
    return { ok: true as const };
  },
});

export const failJobInternal = internalMutation({
  args: {
    jobId: v.id("securityScanJobs"),
    leaseToken: v.string(),
    error: v.string(),
  },
  handler: async (ctx, args) => {
    const job = await ctx.db.get(args.jobId);
    if (!job || job.leaseToken !== args.leaseToken) throw new ConvexError("Lease mismatch");
    const now = Date.now();
    const catalogRetry = await prepareCatalogRetry(ctx, job, now, job.attempts < MAX_ATTEMPTS);
    const retry = job.attempts < MAX_ATTEMPTS && catalogRetry.kind !== "blocked";
    const error = sanitizeWorkerErrorDetail(args.error, 2000);
    if (catalogRetry.kind === "blocked") {
      await terminalizeBlockedCatalogRetry(ctx, catalogRetry, now);
    }
    await ctx.db.patch(args.jobId, {
      status: retry ? "queued" : "failed",
      lastError: error,
      nextRunAt: retry ? now + Math.min(30 * 60 * 1000, 2 ** job.attempts * 60_000) : job.nextRunAt,
      leaseToken: undefined,
      leaseExpiresAt: undefined,
      workerId: undefined,
      updatedAt: now,
    });
    if (job.targetKind === "skillScanRequest" && job.skillScanRequestId) {
      await ctx.db.patch(job.skillScanRequestId, {
        status: retry ? "queued" : "failed",
        lastError: error,
        ...(retry ? {} : { completedAt: now }),
        updatedAt: now,
      });
    }
    return { ok: true as const, retry };
  },
});

export const requeueJobLeaseInternal = internalMutation({
  args: {
    jobId: v.id("securityScanJobs"),
    leaseToken: v.string(),
    workerId: v.string(),
  },
  handler: async (ctx, args) => {
    const job = await ctx.db.get(args.jobId);
    if (
      !job ||
      job.status !== "running" ||
      job.leaseToken !== args.leaseToken ||
      job.workerId !== args.workerId
    ) {
      throw new ConvexError("Lease mismatch");
    }
    const now = Date.now();
    const catalogRetry = await prepareCatalogRetry(ctx, job, now);
    const retry = catalogRetry.kind !== "blocked";
    if (catalogRetry.kind === "blocked") {
      await terminalizeBlockedCatalogRetry(ctx, catalogRetry, now);
    }
    await ctx.db.patch(job._id, {
      status: retry ? "queued" : "failed",
      attempts: retry ? Math.max(0, job.attempts - 1) : job.attempts,
      ...(retry
        ? {}
        : {
            lastError: "Catalog scan retry blocked by inactive or invalid linkage",
            completedAt: now,
          }),
      leaseToken: undefined,
      leaseExpiresAt: undefined,
      workerId: undefined,
      nextRunAt: retry ? now + 60_000 : job.nextRunAt,
      updatedAt: now,
    });
    if (job.targetKind === "skillScanRequest" && job.skillScanRequestId) {
      await ctx.db.patch(job.skillScanRequestId, {
        status: retry ? "queued" : "failed",
        ...(retry
          ? {}
          : {
              lastError: "Catalog scan retry blocked by inactive or invalid linkage",
              completedAt: now,
            }),
        updatedAt: now,
      });
    }
    if (retry) await requestSecurityScanDispatch(ctx);
    return { ok: true as const, nextRunAt: now + 60_000 };
  },
});

type CodexScanHydrationCtx = {
  runMutation: (ref: never, args: never) => Promise<unknown>;
  runQuery: (ref: never, args: never) => Promise<unknown>;
  storage: {
    getUrl: (storageId: Id<"_storage">) => Promise<string | null>;
  };
};

async function hydrateClaimedCodexScanJob(
  ctx: CodexScanHydrationCtx,
  job: Doc<"securityScanJobs"> & { leaseToken: string },
  target: Record<string, unknown> | null,
) {
  if (!target || target.missing) {
    await runMutationRef(ctx, internalRefs.securityScan.failJobInternal, {
      jobId: job._id,
      leaseToken: job.leaseToken,
      error: "Target artifact missing",
    });
    return null;
  }

  const scanRequest = target.scanRequest as Doc<"skillScanRequests"> | undefined;
  const version = target.version as Doc<"skillVersions"> | undefined;
  const release = target.release as Doc<"packageReleases"> | undefined;
  let files: Array<{
    path: string;
    size: number;
    sha256: string;
    storageId: Id<"_storage">;
    contentType?: string;
  }> = [];
  if (scanRequest) {
    files =
      (target.scanRequestFiles as Doc<"skillScanRequests">["files"] | undefined) ??
      scanRequest.files;
  } else if (version) {
    const fingerprintEntries = await runQueryRef<
      Array<{ fingerprint: string; kind?: "source" | "generated-bundle" }>
    >(ctx, internalRefs.skills.listVersionFingerprintsInternal, {
      skillVersionId: version._id,
    });
    files = sourceSkillVersionFiles(version.files, {
      generatedBundleFingerprints: fingerprintEntries
        .filter((entry) => entry.kind === "generated-bundle")
        .map((entry) => entry.fingerprint),
    });
  } else if (release) {
    files = release.files;
  }
  const fileUrls = [];
  for (const file of files) {
    const url = await ctx.storage.getUrl(file.storageId);
    if (!url) {
      await runMutationRef(ctx, internalRefs.securityScan.failJobInternal, {
        jobId: job._id,
        leaseToken: job.leaseToken,
        error: `Artifact file unavailable: ${file.path}`,
      });
      return null;
    }
    fileUrls.push({
      path: file.path,
      size: file.size,
      sha256: file.sha256,
      contentType: file.contentType,
      url,
    });
  }

  const clawpackUrl = release?.clawpackStorageId
    ? await ctx.storage.getUrl(release.clawpackStorageId)
    : null;
  if (release?.clawpackStorageId && !clawpackUrl) {
    await runMutationRef(ctx, internalRefs.securityScan.failJobInternal, {
      jobId: job._id,
      leaseToken: job.leaseToken,
      error: "ClawPack artifact unavailable",
    });
    return null;
  }
  return {
    job,
    target: {
      ...target,
      files: fileUrls,
      clawpackUrl,
    },
  };
}

export const claimCodexScanJobs = action({
  args: {
    token: v.string(),
    workerId: v.string(),
    limit: v.optional(v.number()),
    leaseMs: v.optional(v.number()),
  },
  handler: async (ctx, args) => {
    assertWorkerToken(args.token);
    const jobs = await runMutationRef<Array<Doc<"securityScanJobs"> & { leaseToken: string }>>(
      ctx,
      internalRefs.securityScan.claimQueuedJobsInternal,
      {
        workerId: args.workerId,
        // Hydrated jobs contain signed URLs, so claim one at a time to stay below action limits.
        limit: Math.min(normalizeLimit(args.limit), 1),
        leaseMs: args.leaseMs,
      },
    );

    const hydrated = [];
    for (const job of jobs) {
      const target = await runQueryRef<Record<string, unknown> | null>(
        ctx,
        internalRefs.securityScan.getJobTargetInternal,
        { jobId: job._id },
      );
      const claimedJob = await hydrateClaimedCodexScanJob(ctx, job, target);
      if (claimedJob) hydrated.push(claimedJob);
    }
    return hydrated;
  },
});

export const claimCodexScanJobLeases = action({
  args: {
    token: v.string(),
    workerId: v.string(),
    lane: v.optional(codexScanWorkerLaneValidator),
    limit: v.optional(v.number()),
    leaseMs: v.optional(v.number()),
  },
  handler: async (ctx, args) => {
    assertWorkerToken(args.token);
    return await runMutationRef<Array<Doc<"securityScanJobs"> & { leaseToken: string }>>(
      ctx,
      internalRefs.securityScan.claimQueuedJobsInternal,
      {
        workerId: args.workerId,
        lane: args.lane ?? "shared",
        limit: normalizeLimit(args.limit),
        leaseMs: args.leaseMs,
      },
    );
  },
});

export const hydrateCodexScanJob = action({
  args: {
    token: v.string(),
    workerId: v.string(),
    jobId: v.id("securityScanJobs"),
    leaseToken: v.string(),
  },
  handler: async (ctx, args) => {
    assertWorkerToken(args.token);
    const target = await runQueryRef<Record<string, unknown> | null>(
      ctx,
      internalRefs.securityScan.getJobTargetInternal,
      { jobId: args.jobId },
    );
    const job = target?.job as Doc<"securityScanJobs"> | undefined;
    if (
      !job ||
      job.status !== "running" ||
      job.leaseToken !== args.leaseToken ||
      job.workerId !== args.workerId
    ) {
      throw new ConvexError("Lease mismatch");
    }
    return hydrateClaimedCodexScanJob(
      ctx,
      job as Doc<"securityScanJobs"> & { leaseToken: string },
      target,
    );
  },
});

export const requeueCodexScanJobLease = action({
  args: {
    token: v.string(),
    workerId: v.string(),
    jobId: v.id("securityScanJobs"),
    leaseToken: v.string(),
  },
  handler: async (ctx, args) => {
    assertWorkerToken(args.token);
    return await runMutationRef<{ ok: true; nextRunAt: number }>(
      ctx,
      internalRefs.securityScan.requeueJobLeaseInternal,
      {
        workerId: args.workerId,
        jobId: args.jobId,
        leaseToken: args.leaseToken,
      },
    );
  },
});

export const completeCodexScanJob = action({
  args: {
    token: v.string(),
    jobId: v.id("securityScanJobs"),
    leaseToken: v.string(),
    llmAnalysis: llmAnalysisValidator,
    skillSpectorAnalysis: v.optional(skillSpectorAnalysisValidator),
    runId: v.optional(v.string()),
  },
  handler: async (ctx, args) => {
    assertWorkerToken(args.token);
    const target = await runQueryRef<JobTarget | null>(
      ctx,
      internalRefs.securityScan.getJobTargetInternal,
      {
        jobId: args.jobId,
      },
    );
    if (!target) throw new ConvexError("Job not found");
    const isCatalogScanRequest =
      target.job.targetKind === "skillScanRequest" &&
      target.scanRequest?.sourceKind === "skills-sh-catalog" &&
      Boolean(target.scanRequest.skillsShCatalogAttemptId);
    if (!isCatalogScanRequest && target.job.leaseToken !== args.leaseToken) {
      throw new ConvexError("Lease mismatch");
    }

    if (target.job.targetKind === "skillVersion" && target.version) {
      if (args.skillSpectorAnalysis) {
        await runMutationRef(ctx, internalRefs.skills.updateVersionSkillSpectorAnalysisInternal, {
          versionId: target.version._id,
          skillSpectorAnalysis: capSkillSpectorAnalysisForStorage(args.skillSpectorAnalysis),
        });
      }
      await runMutationRef(ctx, internalRefs.skills.updateVersionLlmAnalysisInternal, {
        versionId: target.version._id,
        llmAnalysis: args.llmAnalysis,
      });
    } else if (target.job.targetKind === "packageRelease" && target.release) {
      await runMutationRef(ctx, internalRefs.packages.updateReleaseSkillSpectorAnalysisInternal, {
        releaseId: target.release._id,
        ...(args.skillSpectorAnalysis
          ? { skillSpectorAnalysis: capSkillSpectorAnalysisForStorage(args.skillSpectorAnalysis) }
          : {}),
      });
      await runMutationRef(ctx, internalRefs.packages.updateReleaseLlmAnalysisInternal, {
        releaseId: target.release._id,
        llmAnalysis: args.llmAnalysis,
      });
    } else if (target.job.targetKind === "skillScanRequest" && target.scanRequest) {
      let writtenBack = false;
      if (
        target.scanRequest.sourceKind === "published" &&
        target.scanRequest.update &&
        target.version
      ) {
        if (args.skillSpectorAnalysis) {
          await runMutationRef(ctx, internalRefs.skills.updateVersionSkillSpectorAnalysisInternal, {
            versionId: target.version._id,
            skillSpectorAnalysis: capSkillSpectorAnalysisForStorage(args.skillSpectorAnalysis),
          });
        }
        await runMutationRef(ctx, internalRefs.skills.updateVersionLlmAnalysisInternal, {
          versionId: target.version._id,
          llmAnalysis: args.llmAnalysis,
        });
        writtenBack = true;
      }
      const skillSpectorAnalysis = args.skillSpectorAnalysis
        ? capSkillSpectorAnalysisForStorage(args.skillSpectorAnalysis)
        : undefined;
      if (target.scanRequest.sourceKind === "github" && target.githubScan) {
        await runMutationRef(ctx, internalRefs.securityScan.recordGitHubSkillScanResultInternal, {
          githubSkillScanId: target.githubScan._id,
          scanStatus: githubSkillScanStatusFromLlmAnalysis(args.llmAnalysis),
          llmAnalysis: args.llmAnalysis,
          skillSpectorAnalysis,
          runId: args.runId,
        });
        writtenBack = true;
      }
      if (
        target.scanRequest.sourceKind === "skills-sh-catalog" &&
        target.scanRequest.skillsShCatalogAttemptId
      ) {
        const result = await runMutationRef<{ ok: true }>(
          ctx,
          internalRefs.securityScan.completeCatalogSkillScanJobInternal,
          {
            attemptId: target.scanRequest.skillsShCatalogAttemptId,
            scanId: target.scanRequest._id,
            jobId: args.jobId,
            leaseToken: args.leaseToken,
            artifactContentHash: target.scanRequest.sha256hash ?? "",
            verdict: githubSkillScanStatusFromLlmAnalysis(args.llmAnalysis),
            runId: args.runId,
            llmAnalysis: args.llmAnalysis,
            skillSpectorAnalysis,
          },
        );
        try {
          await runMutationRef(
            ctx,
            internalRefs.securityScanDispatch.requestSecurityScanDispatchInternal,
            {},
          );
        } catch {
          console.warn("security scan dispatch request failed after catalog completion");
        }
        return result;
      }
      await runMutationRef(ctx, internalRefs.securityScan.recordSkillScanRequestSucceededInternal, {
        scanId: target.scanRequest._id,
        jobId: args.jobId,
        runId: args.runId,
        llmAnalysis: args.llmAnalysis,
        skillSpectorAnalysis,
        writtenBack,
      });
    } else {
      throw new ConvexError("Unsupported security scan target");
    }

    const result = await runMutationRef<{ ok: true }>(
      ctx,
      internalRefs.securityScan.succeedJobInternal,
      {
        jobId: args.jobId,
        leaseToken: args.leaseToken,
        runId: args.runId,
      },
    );
    await runMutationRef(
      ctx,
      internalRefs.securityScanDispatch.requestSecurityScanDispatchInternal,
      {},
    );
    return result;
  },
});

export const failCodexScanJob = action({
  args: {
    token: v.string(),
    jobId: v.id("securityScanJobs"),
    leaseToken: v.string(),
    error: v.string(),
  },
  handler: async (ctx, args) => {
    assertWorkerToken(args.token);
    const error = sanitizeWorkerErrorDetail(args.error, 2000);
    const result = await runMutationRef<{ ok: true; retry: boolean }>(
      ctx,
      internalRefs.securityScan.failJobInternal,
      {
        jobId: args.jobId,
        leaseToken: args.leaseToken,
        error,
      },
    );

    if (!result.retry) {
      const target = await runQueryRef<JobTarget | null>(
        ctx,
        internalRefs.securityScan.getJobTargetInternal,
        {
          jobId: args.jobId,
        },
      );
      if (target && !target.missing) {
        const llmAnalysis = buildWorkerFailureLlmAnalysis(error);
        if (target.job.targetKind === "skillVersion" && target.version) {
          if (!hasArtifactBackedLlmAnalysis(target.version.llmAnalysis)) {
            await runMutationRef(ctx, internalRefs.skills.updateVersionLlmAnalysisInternal, {
              versionId: target.version._id,
              moderationMode: "preserve",
              llmAnalysis,
            });
          }
        } else if (target.job.targetKind === "packageRelease" && target.release) {
          if (!hasArtifactBackedLlmAnalysis(target.release.llmAnalysis)) {
            await runMutationRef(ctx, internalRefs.packages.updateReleaseLlmAnalysisInternal, {
              releaseId: target.release._id,
              llmAnalysis,
            });
          }
        } else if (target.job.targetKind === "skillScanRequest" && target.scanRequest) {
          if (target.scanRequest.sourceKind === "github" && target.githubScan) {
            await runMutationRef(
              ctx,
              internalRefs.securityScan.recordGitHubSkillScanResultInternal,
              {
                githubSkillScanId: target.githubScan._id,
                scanStatus: "failed",
                error,
                llmAnalysis,
              },
            );
          }
          await runMutationRef(
            ctx,
            internalRefs.securityScan.recordSkillScanRequestFailedInternal,
            {
              scanId: target.scanRequest._id,
              error,
              llmAnalysis,
            },
          );
        }
      }
    }

    return result;
  },
});