Treat resolved abort responses with a non-null error payload the same as rejected aborts. This prevents stale-timeout cancellation bookkeeping from reporting success when the child session was not actually aborted.
Plan: .omo/plans/subagent-timeout-active-output.md
The model emits tool names like mcp_background_output but the runtime
registry has them as background_output. While transformToolName already
handles the prefix for display purposes, the tool dispatch path in
tool-execute-before was not stripping it, causing 'unavailable tool' errors.
This adds mcp_ prefix stripping at the earliest point in the tool
execution pipeline, fixing background_output, background_cancel, and
all nocturne-memory_* tools.
Closes#2697
Convert OpenCode v2 session.next stream events into the existing message part activity path so child sessions that are still producing text, reasoning, or tool output refresh lastUpdate before stale polling runs.
This keeps the timeout poller from cancelling active subagents and preserves tool-call progress for session.next.tool.called events.
Plan: .omo/plans/subagent-timeout-active-output.md
The hyperplan trigger \b(hyperplan|hpp)\b/i matched 'hpp' inside common C++ header references like 'check interface.hpp' or 'open buffer.hpp'. The leading '.' is a non-word character, so \b is already satisfied and the false positive fires the hyperplan-mode prompt on routine code questions.
Split the alternation so 'hpp' additionally requires that the preceding character is neither a word character nor a '.'. This preserves every existing trigger ('hpp do this', '/hpp ...', mid-sentence usage, mixed case) while rejecting filename uses of the .hpp extension. The longer 'hyperplan' keyword keeps the original \b boundary semantics.
Reproduction (added regression tests):
- 'please help to check interface.hpp' must NOT fire
- 'open src/include/audio/buffer.hpp and fix the leak' must NOT fire
All 14 cases in hyperplan.test.ts pass (12 existing + 2 new), broader keyword-detector suite stays green (92 pass), typecheck clean.
- remove bundled snapshot dependency on src/generated in model-core
- make shared harness provide runtime bundled snapshot
- update guardrail and capability tests to pass explicit snapshot
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
Cubic caught that clearing recent parent activity on session.idle could reopen the stale-idle race. Keep the fresh activity marker until its normal expiry so background completions still defer while the parent turn is actively reasoning.
Red: parent idle after fresh reasoning delta dispatched an unexpected parent wake. Green: focused parent-wake regression suite passes.
Record fresh parent session message activity before parent-wake flushing so stale idle status cannot dispatch a background completion into a live reasoning turn.
Add regression coverage for the Discord 4.2.3/OpenCode 1.15.5 duplicate-branch repro shape where a parent reasoning delta arrives before the background all-complete wake.
Refs #4212
Refs #4019
Refs #3774
Plan: plans/background-notification-active-turn-queue.md
ilseob lee