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---ci--- phase: 1 milestone: v1.0 status: execute persona: backend-engineer task: T-2.2 requirements: covered: [REQ-10] ---/ci--- Wave 2, task T-2.2. .gitea/workflows/pipeline.yml is the reusable pipeline skeleton (on: workflow_call) with 4 jobs: dev, qa-gate, prod-gate, finalize. Branch-pin rule documented in the header comment (uses @milestone/v1.0-initial). All step bodies are explicit placeholders marked 'Phase 04 will implement'. Phase 04 will replace the placeholders with the real Dev logic and the workflow_dispatch approval inputs (D-013; Gitea ignores environment: blocks).