CB-559: drop .claude/settings.local.json from the default parity overlay

bridged/src/test/java/dev/ltms/bridged/config/BridgedConfigTest.java

@@ -1167,6 +1167,41 @@ class BridgedConfigTest {
                 "a profile without the key stays off-subscription (the default)");
     }
 
+    @Test
+    void parityOverlayDefaultsToEnvFilesOnly(@TempDir Path dir) throws Exception {
+        Path f = dir.resolve("no-overlay.yaml");
+        Files.writeString(f, """
+                bind:
+                  port: 8080
+                profiles:
+                  gx10:
+                    baseUrl: http://gx10.gw:8000
+                """);
+
+        BridgedConfig cfg = BridgedConfig.load(f);
+        assertEquals(List.of(".env", ".envrc"),
+                cfg.profiles().get("gx10").parityOverlay(),
+                "the default parity overlay is the env files; settings.local.json is no longer copied by default");
+    }
+
+    @Test
+    void parityOverlayExplicitListIsPreservedVerbatim(@TempDir Path dir) throws Exception {
+        Path f = dir.resolve("explicit-overlay.yaml");
+        Files.writeString(f, """
+                bind:
+                  port: 8080
+                profiles:
+                  gx10:
+                    baseUrl: http://gx10.gw:8000
+                    parityOverlay: [".claude/settings.local.json", ".env"]
+                """);
+
+        BridgedConfig cfg = BridgedConfig.load(f);
+        assertEquals(List.of(".claude/settings.local.json", ".env"),
+                cfg.profiles().get("gx10").parityOverlay(),
+                "an operator's explicit list survives verbatim — the default only changes when unset");
+    }
+
     // ── CB-542: subscription:true must not smuggle an unguarded endpoint via env: ───────────────
 
     @Test

bridged/src/test/java/dev/ltms/bridged/session/WorktreeSessionManagerTest.java

@@ -94,12 +94,12 @@ class WorktreeSessionManagerTest {
         FakeWorktrees.OverlayCall overlay = worktrees.lastOverlay();
         assertNotNull(overlay);
         assertEquals("/repo", overlay.repoRoot());
-        assertEquals(List.of(".claude/settings.local.json", ".env", ".envrc"),
+        assertEquals(List.of(".env", ".envrc"),
                 overlay.requested(), "default parity overlay is used when unset");
         assertFalse(overlay.requested().contains(".mcp.json"),
                 "CB-525: replicating the primary's MCP config gives a worker the primary's IDE "
                         + "servers, which navigate its edits out of its own worktree");
-        assertEquals(List.of(".claude/settings.local.json", ".envrc"), overlay.copied(),
+        assertEquals(List.of(".envrc"), overlay.copied(),
                 "existing paths are copied; missing paths are skipped");
         assertEquals(List.of(".envrc"), overlay.skipWorktree(),
                 "tracked copied paths are --skip-worktree'd");