Brent Traut 30587d7885 Add experimental attached thread forks (#56351) ...

## What changed

- Add `attachToSource` to `thread/fork` to persist a fork attached to its source without emitting `thread/started`. Attached forks require local storage and cannot use `ephemeral` or `deferGoalContinuation`.
- Hide attached threads from ordinary listings and add `attachedToThreadId` to `thread/list` for explicit discovery, including empty threads. Keep this relationship separate from spawned-agent parent and ancestor filters.
- Persist attachment metadata in rollouts and SQLite so it survives restarts and database recovery. Reject source deletion until its attached threads are deleted.

## Testing

Add coverage for legacy and paginated history, restart and missing or corrupt database recovery, filtered listings and pagination, resume, conflicting options, and deletion safeguards across store instances.

GitOrigin-RevId: 589f3174fc36f6054e75d65818360695645a5913

2026-10-23 04:52:47 +00:00

..

models

Track content provenance through prompt assembly and compaction (#53831)

2026-10-14 02:01:49 +00:00

openai_models

Apply model catalog overrides to history, notes, and context tools (#56313)

2026-10-23 00:46:28 +00:00

permissions

Protect metadata writes through macOS case aliases (#54273)

2026-10-15 12:01:04 +00:00

prompts/base_instructions

…

account.rs

Add a built-in Google Cloud Vertex AI provider (#56265)

2026-10-22 21:01:14 +00:00

agent_error.rs

Add bounded diagnostics for agent spawn failures (#51355)

2026-10-06 12:32:27 +00:00

agent_path.rs

…

approvals.rs

Add Guardian review routing and cached score metrics (#55237)

2026-10-19 10:22:38 +00:00

auth.rs

Add support for Academic Researchers plans (#55387)

2026-10-19 21:43:19 +00:00

capabilities_tests.rs

…

capabilities.rs

Bind capability roots to environment selections (#51493)

2026-10-06 22:39:32 +00:00

codex_error_info.rs

Add opt-in structured errors for Guardian circuit-breaker interruptions (#48796)

2026-09-27 22:05:19 +00:00

config_types.rs

Retire the personality feature flag and document deprecated settings (#45809)

2026-09-15 23:39:40 +00:00

conversation_start_params_tests.rs

Forward client voice session IDs in realtime requests (#53784)

2026-10-13 22:21:31 +00:00

dynamic_tools.rs

…

environment.rs

Add hook configuration to environment attachments (#56302)

2026-10-23 00:02:29 +00:00

error_tests.rs

Point usage and credit links to ChatGPT settings (#49874)

2026-10-01 05:16:40 +00:00

error.rs

Preserve provider model catalogs when refreshes fail (#55958)

2026-10-21 18:43:15 +00:00

exec_output_tests.rs

…

exec_output.rs

…

guardian_transcript.rs

Add an optional JSON transcript format for Guardian (#51465)

2026-10-06 19:30:57 +00:00

hooks.rs

Add hook configuration to environment attachments (#56302)

2026-10-23 00:02:29 +00:00

items.rs

Track content provenance through prompt assembly and compaction (#53831)

2026-10-14 02:01:49 +00:00

legacy_events.rs

Record local image inputs on completed image-generation items (#54420)

2026-10-15 21:30:56 +00:00

lib.rs

Add hook configuration to environment attachments (#56302)

2026-10-23 00:02:29 +00:00

local_media_tests.rs

Support image references by file ID in inputs and tool outputs (#45794)

2026-09-15 21:19:08 +00:00

local_media.rs

Support image references by file ID in inputs and tool outputs (#45794)

2026-09-15 21:19:08 +00:00

mcp_approval_meta.rs

Distinguish MCP approval cancellation reasons (#54679)

2026-10-16 19:08:19 +00:00

mcp_policy.rs

…

mcp.rs

Discover and validate MCP authorization servers before ID-JAG exchange (#49478)

2026-09-30 04:30:01 +00:00

memory_citation.rs

…

memory_version.rs

Add configurable memory versions with isolated storage (#43797)

2026-09-08 10:55:48 +00:00

models.rs

Share additional tool declarations across response item clones (#54945)

2026-10-17 23:17:51 +00:00

network_policy.rs

…

num_format.rs

…

openai_models.rs

Apply model catalog overrides to history, notes, and context tools (#56313)

2026-10-23 00:46:28 +00:00

parse_command.rs

…

permission_profile_intersection_tests.rs

Protect .aws directories under sandbox writable roots (#48176)

2026-09-25 19:14:31 +00:00

permission_profile_intersection.rs

Preserve target-native paths in command approvals (#42577)

2026-09-03 16:21:10 +00:00

permission_profile_snapshot_tests.rs

Preserve executor path URIs in permission profile workspace roots (#45863)

2026-09-16 04:23:46 +00:00

permission_profile_snapshot.rs

Preserve executor path URIs in permission profile workspace roots (#45863)

2026-09-16 04:23:46 +00:00

permissions.rs

Add MXC sandbox integrity dependency and policy preparation (#51831)

2026-10-07 21:16:25 +00:00

plan_tool.rs

…

protocol.rs

Add experimental attached thread forks (#56351)

2026-10-23 04:52:47 +00:00

realtime.rs

…

request_permissions.rs

Preserve target-native cwd in permission approval requests (#42314)

2026-09-02 17:27:50 +00:00

request_user_input_tests.rs

…

request_user_input.rs

…

response_item_id_tests.rs

…

response_item_id.rs

…

response_usage.rs

Preserve raw response usage metadata (#41980)

2026-09-01 05:17:11 +00:00

review_format.rs

…

sandbox.rs

Preserve sandbox overrides across execution requests (#51786)

2026-10-07 17:59:22 +00:00

sanitized_git_url_tests.rs

…

sanitized_git_url.rs

…

security_risk.rs

…

session_id.rs

…

shell_environment_tests.rs

Expose originating tool call metadata in command environments (#52119)

2026-10-08 13:45:19 +00:00

shell_environment.rs

Expose originating tool call metadata in command environments (#52119)

2026-10-08 13:45:19 +00:00

thread_id.rs

…

tool_name.rs

…

turn_input.rs

Allow root turn suspension with live descendants (#54414)

2026-10-15 20:57:39 +00:00

user_input.rs

Truncate input text in protocol debug output (#49415)

2026-09-30 00:51:15 +00:00