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Impact analysis using sphinx-needs dependency trees. Discovers affected specification elements by traversing traceability links. USE FOR: change scoping, blast radius analysis, element discovery before spec writing.
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Based on SOC occupation classification
How managers invoke engineers as subagents. 'Invoke' in any syspilot agent doc means runSubagent(). The agents: list in YAML frontmatter declares which agents can be called. Managers orchestrate — engineers execute and return structured results. USE FOR: understanding agent communication, runSubagent() calls, agents: frontmatter semantics.
Git branching strategy and commit conventions for syspilot. Development branch with feature branches, main = releases only. Who may create/commit to which branches. USE FOR: any git operation, branch creation, committing, pushing, merging.
Session-to-Session (S2S) messaging for Copilot CLI agents. Use this skill whenever you need to send a message to another agent session, check your inbox, receive a pending message, or list active sessions. Triggers include: "send to session", "check inbox", "receive message", "message agent", "notify session", "S2S", "session-to-session", or any request to communicate with another named Copilot CLI session.
| name | syspilot.impact-python |
| description | Impact analysis using sphinx-needs dependency trees. Discovers affected specification elements by traversing traceability links. USE FOR: change scoping, blast radius analysis, element discovery before spec writing. |
Implements: SYSP_SPEC_SKILL_IMPACT_QUERY, SYSP_SPEC_SKILL_IMPACT_EXCHANGE Requirements: SYSP_REQ_SKILL_IMPACT_QUERY, SYSP_REQ_SKILL_IMPACT_EXCHANGE
.github/skills/syspilot.impact-python/scripts/get_need_links.py — run with --help for parameter details.
Requires docs/_build/html/needs.json — run sphinx-build first if stale.
To replace this implementation: create a new skill folder, provide the same
query-by-ID capability, update the description for Copilot discovery.
No agent changes required.
Impact Analysis is mandatory for every change. File lists provided in a Change Request are input hints, not the complete scope. This skill MUST be executed before any spec changes are made — the result defines the actual scope.
A newly created element has no incoming links. Run the query from each consumer element that the new element satisfies.
Example: You created SYSP_US_SKILL_IMPACT which :links: to SYSP_US_DESIGN
and SYSP_US_PM. Run the impact query from SYSP_US_DESIGN and SYSP_US_PM
(not from the new US).
--direction in for level transitionsin = "who links to me" = "who implements me at the next level down".
REQs link upward to USes, SPECs link upward to REQs. So querying a US with
--direction in yields its REQ candidates.
| Transition | Depth | Rationale |
|---|---|---|
| Level 0 → Level 1 | 1 | US → REQ, direct links |
| Level 1 → Level 2 | 1 | REQ → SPEC, direct links |
| Level 2 cross-check | 2 | Catches second-order consumers (e.g. doc SPECs aggregating workflow SPECs) |
At Level 0 present candidates to the user without verdicts. Assessment (affected / not affected) happens when writing the next level.