refactor(crux): delete unimported modules and completed one-shot scripts

[OAGr]

Removes about 11k lines of crux code that nothing uses: 23 modules with no importers, and 25 one-shot migration or backfill scripts whose migrations have already landed. Pure deletion plus three comment/doc edits; all of it is recoverable with git show e35e704fa:<path>.

Modules with no importers (repo-wide import graph + grep for string/script-map references): lib/validation/mermaid-checks.ts, lib/issue-scoring.ts, lib/matrix-dimensions.ts, lib/matrix-snapshot.ts (the last three with their tests), lib/calc-evaluator.ts, lib/entity-names.ts, lib/normalize-entity-slugs.ts, lib/dispatch-prompt-template.ts, entity-matrix/scan.ts and gaps.ts, authoring/orchestrator/tools/add-references.ts and enrich/enrich-references.ts (registry.ts already says the tool was removed), generate/generate-research-reports.ts (a no-op), evals/pilot.ts, and six unused barrel index.ts files.

Completed one-shot scripts in crux/scripts/ (FISA-702 seeding, stable-id / slug / fact-id migrations, QUA-503 mapping and sweep already applied as migration 0182, resource title fixes, and others) plus authoring/bootstrap-update-frequency.ts and reassign-update-frequency.ts. sync-careers-to-personnel was already broken: its input career-data.json does not exist.

Kept on purpose: check-pr-merge-eligible (a hook uses it), refresh-frameworks (a workflow runs it), reusable tools (scrape-ailabwatch, fetch-forum-posts, check-source-urls, triage-footnotes, fix-contradicted-facts), and stableid-migration-map.json (SQL provenance).

Verified on the tree with these deletions: crux typecheck error set unchanged; crux vitest passes (only tests of deleted modules are gone); node crux/build.mjs and pnpm crux --help OK; content gate passes; pre-push gate passed. Touches crux/commands/ so it needs gate:rules-ok.

🤖 Generated with Claude Code

https://claude.ai/code/session_01WXiHX1a9DEuvwydgTP43ZE

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Generated by Claude Code

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📥 Commits

Reviewing files that changed from the base of the PR and between f65653a and f95c10a.

📒 Files selected for processing (52)

• apps/wiki-server/src/routes/wikibase/resources.ts
• crux/authoring/bootstrap-update-frequency.ts
• crux/authoring/creator/index.ts
• crux/authoring/orchestrator/tools/add-references.ts
• crux/authoring/reassign-update-frequency.ts
• crux/commands/tablebase.ts
• crux/enrich/enrich-references.ts
• crux/entity-matrix/gaps.ts
• crux/entity-matrix/scan.ts
• crux/evals/injectors/index.ts
• crux/evals/pilot.ts
• crux/generate/generate-research-reports.ts
• crux/health-monitor/index.ts
• crux/lib/calc-evaluator.ts
• crux/lib/dispatch-prompt-template.ts
• crux/lib/entity-names.ts
• crux/lib/issue-scoring.test.ts
• crux/lib/issue-scoring.ts
• crux/lib/issues/index.ts
• crux/lib/maintain/index.ts
• crux/lib/matrix-dimensions.test.ts
• crux/lib/matrix-dimensions.ts
• crux/lib/matrix-snapshot.test.ts
• crux/lib/matrix-snapshot.ts
• crux/lib/normalize-entity-slugs.ts
• crux/lib/political/index.ts
• crux/lib/validation/mermaid-checks.ts
• crux/scripts/add-stableids-to-entity-yaml.ts
• crux/scripts/apply-batches-to-fisa-702.ts
• crux/scripts/backfill-fact-entity-ids.ts
• crux/scripts/dedup-resources.ts
• crux/scripts/fix-resource-titles.test.ts
• crux/scripts/fix-resource-titles.ts
• crux/scripts/fix-url-resource-titles.ts
• crux/scripts/grokipedia-from-wikipedia.mjs
• crux/scripts/migrate-entity-types.mjs
• crux/scripts/migrate-kb-slugs-to-stableids.ts
• crux/scripts/migrate-naked-fact-ids.ts
• crux/scripts/migrate-ref-slugs.ts
• crux/scripts/migrate-resource-hex-to-stableid.ts
• crux/scripts/normalize-stableids.ts
• crux/scripts/qua-503-generate-mapping.ts
• crux/scripts/qua-503-sweep-mdx.ts
• crux/scripts/recompute-source-verdicts.ts
• crux/scripts/research-fisa-702.ts
• crux/scripts/resource-title-fixes.json
• crux/scripts/seed-fisa-702-analyze.ts
• crux/scripts/seed-fisa-702.ts
• crux/scripts/strip-career-facts.ts
• crux/scripts/sync-careers-to-personnel.ts
• crux/scripts/wire-references.ts
• docs/agent-rules/id-system.md

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[github-actions]

Protected paths modified

This PR modifies files that affect agent behavior, CI, or validation rules.
A human must review these changes and add the gate:rules-ok label to unblock merge.

Modified protected files:

• crux/commands/tablebase.ts

Status: gate:rules-ok label is present. This check will pass.

[OAGr]

Protected Paths Check is red only because crux/commands/tablebase.ts is a protected path. The edit removes two log lines that point at the deleted sync-careers-to-personnel script. It needs a maintainer's gate:rules-ok after review; no code change will clear it.

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Generated by Claude Code

[github-actions]

Test Coverage Report

Workspace	Lines	Branches	Functions	Statements
wiki-server	56.2%	41.0%	57.8%	55.1%
web	13.2%	11.5%	8.5%	13.3%
discord-bot	39.1%	30.3%	43.6%	38.2%
crux	41.5%	38.8%	44.5%	41.4%
Total	36.6%	29.9%	31.9%	36.3%

Coverage is advisory only — no thresholds enforced. Generated by vitest --coverage.