docs: mark completed P1 items in TODO.md

- Spec files and loader (3 items)
- Unified CLI (7 items)
- Makefile improvements (12 items)

Author: Your Name

TODO.md

@@ -18,9 +18,9 @@
 
 ### P1: Gridfinity Spec as Single Source of Truth
 
-- [ ] Create `specs/gridfinity_v1.yml` - canonical Gridfinity dimensions
-- [ ] Create `specs/microfinity.yml` - microfinity-specific extensions (micro-divisions, etc.)
-- [ ] Create `microfinity/core/spec.py` - YAML loader with validation
+- [x] Create `specs/gridfinity_v1.yml` - canonical Gridfinity dimensions
+- [x] Create `specs/microfinity.yml` - microfinity-specific extensions (micro-divisions, etc.)
+- [x] Create `microfinity/core/spec.py` - YAML loader with validation
 - [ ] Migrate `constants.py` to derive values from spec
 - [ ] Add spec version field to track Gridfinity spec variants
 - [ ] Runtime validation that loaded constants match expected ranges
@@ -45,16 +45,16 @@ microfinity info                    # Show version, spec info, system diagnostic
 microfinity debug [subcommand]      # Debug/visualization tools
 ```
 
-- [ ] Create `microfinity/cli/main.py` with Click/Typer
-- [ ] Implement `microfinity box` subcommand
-- [ ] Implement `microfinity baseplate` subcommand
-- [ ] Implement `microfinity layout` subcommand
-- [ ] Implement `microfinity meshcut` subcommand
-- [ ] Implement `microfinity calibrate` subcommand
-- [ ] Implement `microfinity info` subcommand
+- [x] Create `microfinity/cli/main.py` with Click/Typer
+- [x] Implement `microfinity box` subcommand
+- [x] Implement `microfinity baseplate` subcommand
+- [x] Implement `microfinity layout` subcommand (stub, delegates to legacy)
+- [x] Implement `microfinity meshcut` subcommand
+- [x] Implement `microfinity calibrate` subcommand (stub, delegates to legacy)
+- [x] Implement `microfinity info` subcommand
 - [ ] Implement `microfinity debug` subcommand (see Debug Tooling section)
 - [ ] Remove old entry points (`microfinity-box`, `microfinity-meshcut`, etc.)
-- [ ] Update pyproject.toml scripts section
+- [x] Update pyproject.toml scripts section
 
 ### P2: CLI Enhancements
 
@@ -178,18 +178,18 @@ microfinity debug explode <file.stl> --output exploded.stl
 
 ### P1: Makefile Improvements
 
-- [ ] `make test-microfinity` - microfinity tests only
-- [ ] `make test-meshcutter` - meshcutter tests only
-- [ ] `make test-unit` - fast unit tests
-- [ ] `make test-integration` - integration tests
-- [ ] `make lint` - black + flake8 check
-- [ ] `make format` - black format in-place
-- [ ] `make typecheck` - pyright/mypy
-- [ ] `make generate-test-prints` - generate all calibration STLs
-- [ ] `make generate-examples` - generate example gallery
-- [ ] `make golden-update` - regenerate golden test data
-- [ ] `make debug-box` - generate debug box with all diagnostics
-- [ ] Update `make help` with all new targets
+- [x] `make test-microfinity` - microfinity tests only
+- [x] `make test-meshcutter` - meshcutter tests only
+- [x] `make test-unit` - fast unit tests
+- [x] `make test-integration` - integration tests
+- [x] `make lint` - black + flake8 check
+- [x] `make format` - black format in-place
+- [x] `make typecheck` - pyright/mypy
+- [x] `make generate-test-prints` - generate all calibration STLs
+- [x] `make generate-examples` - generate example gallery
+- [x] `make golden-update` - regenerate golden test data
+- [x] `make debug-box` - generate debug box with all diagnostics
+- [x] Update `make help` with all new targets
 
 ### P2: Development Tooling