<!-- Example: Spec Constitution, TaskFlow Constitution, etc. -->
## Core Principles
### [PRINCIPLE_1_NAME]
<!-- Example: I. Library-First -->
[PRINCIPLE_1_DESCRIPTION]
<!-- Example: Every feature starts as a standalone library; Libraries must be self-contained, independently testable, documented; Clear purpose required - no organizational-only libraries -->
### [PRINCIPLE_2_NAME]
<!-- Example: II. CLI Interface -->
[PRINCIPLE_2_DESCRIPTION]
<!-- Example: Every library exposes functionality via CLI; Text in/out protocol: stdin/args → stdout, errors → stderr; Support JSON + human-readable formats -->
### [PRINCIPLE_3_NAME]
<!-- Example: III. Test-First (NON-NEGOTIABLE) -->
[PRINCIPLE_3_DESCRIPTION]
<!-- Example: TDD mandatory: Tests written → User approved → Tests fail → Then implement; Red-Green-Refactor cycle strictly enforced -->
### [PRINCIPLE_4_NAME]
<!-- Example: IV. Integration Testing -->
[PRINCIPLE_4_DESCRIPTION]
<!-- Example: Focus areas requiring integration tests: New library contract tests, Contract changes, Inter-service communication, Shared schemas -->
### [PRINCIPLE_5_NAME]
<!-- Example: V. Observability, VI. Versioning & Breaking Changes, VII. Simplicity -->