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Open_Ultra_SAST/.agents/skills/kiro-spec-tasks/rules/tasks-parallel-analysis.md
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Marius CiepluchandClaude Fable 5.1 5010b15ffc chore(skills): .agents/skills -- the plural directory OpenCode searches by default
Verified against opencode.ai/docs/skills: project-local search paths are
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Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
2026-10-02 19:24:33 +02:00

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# Parallel Task Analysis Rules
## Purpose
Provide a consistent way to identify implementation tasks that can be safely executed in parallel while generating `tasks.md`.
## Relationship to Task Ordering
`(P)` means: this task has no dependency on its immediately preceding peers and can run concurrently with them. The Task Ordering Principle (see tasks-generation.md) ensures Foundation-phase tasks run first, making Core-phase tasks the primary `(P)` candidates.
## When to Consider Tasks Parallel
Only mark a task as parallel-capable when **all** of the following are true:
1. **No data dependency** on pending tasks.
2. **No conflicting files or shared mutable resources** are touched.
3. **No prerequisite review/approval** from another task is required beforehand.
4. **Foundation work complete**: Environment/setup work needed by this task is already satisfied by earlier Foundation-phase tasks.
5. **Non-overlapping boundaries**: `_Boundary:_` annotations confirm tasks operate on separate components.
## Marking Convention
- Append `(P)` immediately after the numeric identifier for each qualifying task.
- Example: `- [ ] 2.1 (P) Build background worker for emails`
- Apply `(P)` to both major tasks and sub-tasks when appropriate.
- If sequential execution is requested (e.g. via `--sequential` flag), omit `(P)` markers entirely.
- Keep `(P)` **outside** of checkbox brackets to avoid confusion with completion state.
## Grouping & Ordering Guidelines
- Group parallel tasks under the same parent whenever the work belongs to the same theme.
- List obvious prerequisites or caveats in the detail bullets (e.g., "Requires schema migration from 1.2").
- When two tasks look similar but are not parallel-safe, call out the blocking dependency explicitly.
- Skip marking container-only major tasks (those without their own actionable detail bullets) with `(P)`—evaluate parallel execution at the sub-task level instead.
## Quality Checklist
Before marking a task with `(P)`, ensure you have:
- Verified that running this task concurrently will not create merge or deployment conflicts.
- Confirmed `_Boundary:_` annotations show non-overlapping component scopes.
- Captured any shared state expectations in the detail bullets.
- Confirmed that the implementation can be tested independently.
- Added `_Depends: X.X_` if this `(P)` task still requires specific prior work from a different major-task group.
If any check fails, **do not** mark the task with `(P)` and explain the dependency in the task details.