Makes the webapp's AI policy and the server's tool allow-list physically
impossible to drift. Adds the missing entries the guard caught on first
run: `complete_tasks_by_title`, `visit_place`, `undo_drink` now have
parameter schemas server-side too.
- `packages/shared-ai/src/policy/proposable-tools.ts`
- `AI_PROPOSABLE_TOOL_NAMES` as `const` array + literal union type
- `AI_PROPOSABLE_TOOL_SET` for set-membership checks
- Webapp `DEFAULT_AI_POLICY` derives its `propose` entries from the
shared list via `Object.fromEntries(...)` — adding a tool there is now
a one-line change in `@mana/shared-ai`
- mana-ai `AI_AVAILABLE_TOOLS`: module-load assertion compares its
hardcoded names against `AI_PROPOSABLE_TOOL_SET` and throws with a
pointed error on drift (extras in one direction, missing in the
other). Service refuses to start on mismatch — better than silent
degradation.
- Bun test (`tools.test.ts`) runs the same contract plus sanity checks
(non-empty description, required params carry docs). Vitest policy
test adds the symmetric check on the webapp side.
All three runtimes now green: webapp 66/66, shared-ai 2/2,
mana-ai 9/9 Bun tests.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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