docs: recount RSYNC_COMPAT summary after Phase-4 wave B (metadata times + hard links)

Wave B moved 6 rows: -U/--atimes, --open-noatime, -H/--hard-links -> ✅;
-N/--crtimes -> ⚠️; -O/--omit-dir-times, -J/--omit-link-times -> 🔄 (no-ops).
Summary: ✅91->94, ⚠️5->6, 🔄1->3, ❌47->41 (Total 147).

RSYNC_COMPAT.md

@@ -6,11 +6,11 @@ This document maps rsync's full feature set to FastSync's current implementation
 
 | Status | Count | Description |
 |--------|-------|-------------|
-| ✅ Implemented | 91 | Feature works end-to-end |
+| ✅ Implemented | 94 | Feature works end-to-end |
 | 🔀 Alt Arg | 3 | Functionality exists but under different flag/semantics |
-| ⚠️ Partial | 5 | Flag parsed/stored but behavior incomplete |
-| 🔄 Compatibility No-op | 1 | Flag is accepted for CLI compatibility but has no effect |
-| ❌ Not Implemented | 47 | Flag not recognized or no behavior |
+| ⚠️ Partial | 6 | Flag parsed/stored but behavior incomplete |
+| 🔄 Compatibility No-op | 3 | Flag is accepted for CLI compatibility but has no effect |
+| ❌ Not Implemented | 41 | Flag not recognized or no behavior |
 | **Total** | **147** | |
 
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