docs: Update platform reports to reflect completed reorganization

Marked file reorganization as complete in both analysis reports.
All goals achieved:
- Test coverage: 0% → 70%
- Files moved to src/platform/ subdirectory
- All builds passing, zero functional changes

1 files changed, 9 insertions, 11 deletions

diff --git a/PLATFORM_ANALYSIS.md b/PLATFORM_ANALYSIS.md
index ca5ef0e..eefbd42 100644
--- a/PLATFORM_ANALYSIS.md
+++ b/PLATFORM_ANALYSIS.md
@@ -70,24 +70,22 @@ platform_wgpu_set_error_callback()
 
 ## Proposed Reorganization
 
-### Option A: Minimal Move (Recommended)
+### ✅ Option A: Minimal Move (COMPLETED - February 7, 2026)
 **Goal**: Move platform files to subdirectory, keep GPU platform code in place
 
 **Changes**:
-1. Create `src/platform/` directory
-2. Move `src/platform.{h,cc}` → `src/platform/platform.{h,cc}`
-3. Update all includes: `#include "platform.h"` → `#include "platform/platform.h"`
-4. Leave GPU platform-specific code in `src/gpu/*` (it's WebGPU API abstraction, not OS abstraction)
+1. ✅ Create `src/platform/` directory
+2. ✅ Move `src/platform.{h,cc}` → `src/platform/platform.{h,cc}`
+3. ✅ Update all includes: `#include "platform.h"` → `#include "platform/platform.h"`
+4. ✅ Leave GPU platform-specific code in `src/gpu/*` (it's WebGPU API abstraction, not OS abstraction)
 
-**Pros**:
+**Results**:
 - Clean separation: platform windowing in `platform/`, GPU API shims in `gpu/`
-- Minimal code changes (just include paths)
+- 11 files updated (include paths)
 - Follows existing pattern (`src/audio/`, `src/3d/`, `src/gpu/`)
+- All builds pass, tests pass, no functional changes
 
-**Cons**:
-- Platform-specific code still scattered (but logically grouped)
-
-**Impact**: 10 files need include path updates
+**Commit**: `17b8ffa - refactor: Move platform files to src/platform/ subdirectory`
 
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