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optimclaw/migrations/V14__conversation_source_channel.sql
T
ZakiandClaude 5f50df7583 fix(security): persist source_channel to DB, harden cross-channel authorization
Address PR #1590 review feedback:

1. Persist source_channel to DB: Add source_channel column to conversations
   table in both PostgreSQL (V14 migration) and libSQL (incremental migration
   + base schema). Add get_conversation_source_channel trait method to
   ConversationStore with both backend implementations.

2. Fix hydrate_thread_from_db: Read source_channel from DB instead of
   stamping the requesting message's channel, preventing channel confusion
   after server restart.

3. Reject reserved WASM channel names: Validate that WASM channels cannot
   register as "web", "gateway", "cli", or "repl" to prevent authorization
   bypass via name spoofing.

4. Require pending_approval exists: Authorization check now verifies
   thread.pending_approval.is_some() before allowing approval-shaped messages
   to target a thread.

5. Fail-closed for None source_channel: Use "__bootstrap__" sentinel for
   bootstrap threads (authorized from any channel). None now means "deny by
   default" instead of "allow by default".

6. Extract and test authorization predicate: is_approval_authorized() helper
   with 6 unit tests covering same-channel, cross-channel blocked, web/gateway
   always allowed, None denied, and bootstrap sentinel.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
2026-03-28 15:11:03 +00:00

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SQL

-- Add source_channel to conversations for cross-channel approval authorization.
-- Tracks which channel originally created a conversation so that approval
-- messages from other channels can be validated.
ALTER TABLE conversations ADD COLUMN source_channel TEXT;