feat(improvement): bind activations to knowledge changes

[drewstone]

Problem

Knowledge candidates could be measured and promoted, but the shared activation result was not durably coupled to the file transaction. A lost response could leave the caller unable to distinguish applied, already applied, or conflict.

Solution

• expose one paired baseline/candidate comparison callback
• return exact mutation receipts for promote and restore
• persist the canonical activation result before closing the recoverable file transaction
• bind recovery ownership to the exact activation digest
• repair abandoned mutation markers only after acquiring the writer lock and proving no transaction remains

Proof

• pnpm test: 290 passed, 10 skipped
• pnpm typecheck: passed
• pnpm lint: passed
• pnpm build: passed
• pnpm run verify:package: clean install, five imports, CLI version, and repack passed
• merge simulation against current main: passed
• independent adversarial review: no high or medium findings

[tangletools]

✅ Auto-approved drewstone PR — 8788f0a2

This PR was opened by the trusted drewstone account.
The full PR reviewer audit still runs separately and will publish findings if it detects issues.

_{tangletools · auto-approval · reason: drewstone_author · 2026-07-18T00:47:11Z}

[tangletools]

✅ Auto-approved drewstone PR — 8788f0a2

This PR was opened by the trusted drewstone account.
The full PR reviewer audit still runs separately and will publish findings if it detects issues.

_{tangletools · auto-approval · reason: drewstone_author · 2026-07-18T00:47:43Z}