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2 commits

Author SHA256 Message Date
Tyler J King
e744336385 fix: capability enforcement, credential safety, atomic delegations, input validation
C-6: ConnectorRuntime enforces capability_mask per operation.
     READ-only ACs cannot invoke MUTATE operations (wipe, lock, retire).
C-7: AC validated against database (exists, active, not expired)
     before connector invocation.
C-9: Delegated AC capability bounded by delegator's capability.
C-10: Command counter uses atomic SQL increment with limit check.
M-23: expire_stale() uses same atomic SQL pattern.

H-1: Sensitive credential fields hidden from repr/logs via repr=False.
H-2: Stub backend requires ALLOW_STUB_CREDENTIALS=true to activate.
H-3: Kerberos backend raises CredentialResolutionError instead of
     returning stub ticket.
H-4: Chronicle INTENT emitted before execution, RESULT after.
H-5: device_id validated as UUID before Graph API URL interpolation.
H-8: ConnectorRuntime enforces governance for all connector invocations.

Signed-off-by: Tyler King <tking@guildhouse.dev>
2026-04-14 08:13:27 -04:00
Tyler J King
0987704264 feat: governed connector module
GCAP-SPEC-CONNECTOR-DESCRIPTOR-0001 implementation.

ConnectorPlugin — abstract base for governed connectors.
ConnectorRegistry — register/discover connectors.
ConnectorRuntime — wraps invoke with Chronicle lineage.
EchoConnector — dev/test example.

API endpoints:
  GET  /connectors/           — browse catalogue
  GET  /connectors/{id}/      — connector descriptor
  POST /connectors/{id}/invoke/ — governed invocation
  GET  /connectors/{id}/health/ — health check

5 tests passing.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-30 16:42:38 -04:00