Introduces the shared platform that per-agent adapters plug into, wired for the
three shipped harnesses (claude-code, codex, opencode):
- adapters/agent/registry: single source of truth for shipped adapters
(Constructors), consumed by the daemon to resolve a session's harness.
- adapters/agent/activitydispatch + 'ao hooks' command: maps an agent's native
hook callbacks onto AO activity states (active/idle/waiting/...).
- claudecode/codex/opencode: emit SessionStart/UserPromptSubmit/Stop activity.
- HTTP + OpenAPI: report session activity state.
- db: single migration widening sessions.harness to all shipped harnesses, so
adding an adapter needs no further migration.
- domain: harness constants + --agent alias for 'ao spawn'.
Adding a new agent is now one adapter package plus a line in Constructors().
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-authored-by: Harshit Singh Bhandari <claudeagain@pkarnal.com>
* feat: add ao hooks activity command
* fix(activity): address review nits
- lcm: sameActivity ignores LastActivityAt so same-state repeats no-op
and don't churn UpdatedAt / CDC events.
- cli/hooks: surface stdin read errors to stderr for parity with the
daemon-error path; still exit 0 so a failed hook can't break the agent.
- claudecode: GetAgentHooks docstring covers Notification + SessionEnd
(the slice already included them; only the comment was stale).
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Co-authored-by: harshitsinghbhandari <dev@theharshitsingh.com>
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