templates: add complete project context template

Author: OgeonX-Ai

templates/complete-project-context.md

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+# Complete Project Context Template
+
+Use this template when applying AI-OS to another repository. Fill each section with evidence gathered during the bootstrap phase.
+
+## Repository purpose
+
+Describe the product, service, documentation system, or automation this repository owns.
+
+## Stack
+
+```text
+Language:
+Framework:
+Package manager:
+Runtime:
+CI/CD:
+Infrastructure:
+Deployment target:
+```
+
+## Architecture
+
+Summarize the main components, data flow, integration points, and trust boundaries.
+
+## Build commands
+
+```text
+Command:
+Expected result:
+Known caveats:
+```
+
+## Test commands
+
+```text
+Unit:
+Integration:
+End-to-end:
+Smoke:
+```
+
+## Verification gates
+
+```text
+Required:
+Recommended:
+Manual review:
+```
+
+## Project memory
+
+```text
+Agent instructions:
+Architecture memory:
+ADR folder:
+Runbooks:
+```