chore(fork): restore the Cat Café governance overlay

[mindfn]

Purpose

Restore only the Cat Café fork overlay after the complete reusable Harness stack.

This is PR 2 of 2 and is intentionally stacked on PR #89 so its review diff contains fork-only policy and configuration changes.

Exact provenance

• Base PR feat(f257): restore the complete Harness stack #89 head: e17b56fda3106a4f864e630e8b5a29ef1b901af8
• Head: 83247ebe06314e271348f7b7ab880d1ed6fa032f
• GitHub currently reports the base OID as the exact PR feat(f257): restore the complete Harness stack #89 head.

Scope

• Runtime-provided agent identity and fork review and planning safeguards
• develop_base direct-commit allowlist with fail-closed pre-commit enforcement
• Cat Café ROADMAP and brand overlay
• eval:friction weekly cadence and matching tests
• Net diff: 19 files, +669 / -66
• Runtime source delta under packages/api/src, packages/web/src, and packages/shared/src: zero

Risk

• Behavior: medium — repository governance and review routing
• Data: low — no runtime data migration in this overlay
• Security: medium — pre-commit fail-closed write protection
• Contract: medium — fork governance and cadence contracts
• Irreversible: low — isolated stacked branch; no runtime or production data mutation

Validation

• Targeted fork suite: 88/88 passed
• Full bash ./scripts/pre-merge-check.sh --no-rebase: PASS on exact head 83247ebe0 in 1108 seconds
• Range-diff: three commits exact-equivalent; the sole contextual delta retains latest-main stateful-migration guards
• Cross-family review: Fable APPROVED the exact feat(f257): restore the complete Harness stack #89 and chore(fork): restore the Cat Café governance overlay #90 stack, 0 P1 / 0 P2 / 1 cosmetic P3
• Cloud review not selected: the stateful local reviewer independently covered the final overlay, hook composition, and separation boundary

Merge order

1. Merge PR feat(f257): restore the complete Harness stack #89 first.
2. Retarget this PR from the PR feat(f257): restore the complete Harness stack #89 branch to develop_base.
3. Re-read the resulting 19-file fork-only diff and confirm GitHub reports it clean.
4. Merge this PR second.

Do not merge this PR into the Harness feature branch.

[mindfn]

Local cross-family review evidence

• Reviewer: Fable (non-author, cross-provider)
• Reviewed exact SHA: 5e464449007ab501fa3c695369d24763112e62c8
• Verdict: APPROVED — 0 P1 / 0 P2 / 0 P3
• Full gate: PASS (1003 seconds)
• Runtime source delta: 0 under packages/api/src, packages/web/src, and packages/shared/src
• Online Codex review: skipped per operator direction for fork-internal PRs

Merge order remains: merge PR #89 first, retarget this PR to develop_base, re-read the fork-only diff, then merge PR #90.

[mindfn]

Local cross-family review evidence (mechanical transcription): Fable APPROVED the exact stacked candidates PR #89 e17b56f and PR #90 83247eb with 0 P1, 0 P2, and one cosmetic P3. Durable thread verdict message: 0001786355734876-000516-1bd65efb. Current GitHub heads matched both reviewed SHAs at transcription time; both exact-head full gates passed.

[mindfn]

Closing as obsolete. The PR reconstructed historical fork-local Cat Café naming as if it were a current product/instance contract, but no current requirement or operator decision supports that premise. The repository and current collaboration identity remain Clowder AI. The replacement branch topology is maintained separately; this PR must not be merged. No branch deletion is requested.