Explain Value Map with projection rails

.gitattributes

@@ -0,0 +1,9 @@
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README.md

@@ -49,11 +49,7 @@ Business language and code drift apart easily. A confident summary may describe
 
 Value Map keeps two sources of authority separate:
 
-```text
-external message  ──► source meaning ──┐
-                                       ├──► conversational value map
-current codebase  ──► code evidence ───┘
-```
+![How Value Map projects preserved source meaning against classified code evidence](assets/value-map-projection-rails.svg)
 
 It reports capabilities with explicit status:
 

tests/test_distribution.py

@@ -59,6 +59,7 @@ def test_skill_contract_is_read_only_and_conversational(self) -> None:
         self.assertIn("`PROPOSED`", skill)
         self.assertIn("Do not include a full claim/evidence table", skill)
 
+    @unittest.skipIf(os.name == "nt", "Bash file-URI integration is POSIX-specific")
     def test_bash_installer_places_verified_codex_skill(self) -> None:
         with tempfile.TemporaryDirectory() as assets_dir, tempfile.TemporaryDirectory() as home_dir:
             assets = Path(assets_dir)