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Open_Ultra_SAST/.kiro/specs/openrouter-sast-harness/decisions.md
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Decisions: OpenRouter SAST Harness

Approved Initial Slice

The first implementation slice is approved for Phase 0 and Phase 1 only:

  • Python package skeleton with ousast CLI.
  • Local configuration loading.
  • Scan run directory creation under .openultrasast/runs/<scan-id>/.
  • Repository snapshot collection.
  • Source file enumeration with basic ignore handling.
  • Language, LOC, and static tag heuristics.
  • preprocess/file_targets.json artifact.

Current Decisions

Decision Value Scope
Runtime Python 3.11+ Initial implementation
Harness dependency Minimal HarnessX-compatible core first Avoid direct dependency until contracts are proven
Vector store Deferred to Phase 4 bakeoff Not needed for Phase 0/1
OpenRouter chat models Deferred until ranker implementation Not needed for Phase 0/1
OpenRouter embedding model Deferred until embeddings implementation Not needed for Phase 0/1
Fixtures Synthetic fixture repositories first Keeps tests deterministic
MCP Defer until CLI and artifacts stabilize Phase 12

Rationale

The first milestone should prove the local artifact contract before adding model calls, embeddings, Docker, MCP, or fusion. Later decisions must be recorded here before their implementation phases begin.