CB-567: compose charters per spawn

bridged/src/test/java/dev/ltms/bridged/member/ClaudeCodeLauncherTest.java

@@ -796,14 +796,18 @@ class ClaudeCodeLauncherTest {
                 .toList();
     }
 
+    private static BridgedConfig.Fleet fleet(Map<String, String> charters, String tabLabel) {
+        return new BridgedConfig.Fleet(Map.of(), Map.of(), Map.of(), Map.of(), charters, tabLabel);
+    }
+
     /** A profile with no {@code tabLabel:} of its own — the fleet template decides. */
-    private ClaudeCodeLauncher labelService(FakeHerdr herdr, Supplier<String> fleetTemplate) {
+    private ClaudeCodeLauncher labelService(FakeHerdr herdr, Supplier<BridgedConfig.Fleet> fleet) {
         BridgedConfig.Profile cfg = new BridgedConfig.Profile(
                 "sonnet", "http://gx00.gw:8000", "sonnet", null, "BRIDGED_WORKER_TOKEN",
                 List.of("claude"), "tab", "bridged-workers", null, null, null, null);
         return new ClaudeCodeLauncher(new AgentControl(herdr), new WorkspaceControl(herdr),
                 new SubscriptionGuard(Set.of("gx00.gw")), Map.of(cfg.profile(), cfg), cfg.profile(),
-                _ -> null, 0, 0L, fleetTemplate);
+                _ -> null, 0, 0L, fleet);
     }
 
     /**
@@ -814,7 +818,7 @@ class ClaudeCodeLauncherTest {
     @Test
     void theFleetTemplateNamesTheRoleTheMemberWasSpawnedFor() {
         FakeHerdr herdr = new FakeHerdr();
-        ClaudeCodeLauncher svc = labelService(herdr, () -> "{role}: {profile} #{n}");
+        ClaudeCodeLauncher svc = labelService(herdr, () -> fleet(null, "{role}: {profile} #{n}"));
 
         svc.spawn(new SpawnRequest("sonnet", null, null, null, null, MemberRole.REVIEWER));
 
@@ -825,7 +829,7 @@ class ClaudeCodeLauncherTest {
     @Test
     void theCounterRunsPerRoleAndProfileNotPerFleet() {
         FakeHerdr herdr = new FakeHerdr();
-        ClaudeCodeLauncher svc = labelService(herdr, () -> "{role}: {profile} #{n}");
+        ClaudeCodeLauncher svc = labelService(herdr, () -> fleet(null, "{role}: {profile} #{n}"));
 
         svc.spawn(new SpawnRequest("sonnet", null, null, null, null, MemberRole.DEV));
         svc.spawn(new SpawnRequest("sonnet", null, null, null, null, MemberRole.REVIEWER));
@@ -839,7 +843,7 @@ class ClaudeCodeLauncherTest {
     @Test
     void aBlankFleetTemplateFallsBackToTheRoleFirstDefault() {
         FakeHerdr herdr = new FakeHerdr();
-        labelService(herdr, () -> null).spawn(
+        labelService(herdr, () -> fleet(null, null)).spawn(
                 new SpawnRequest("sonnet", null, null, null, null, MemberRole.ARCHITECT));
 
         assertEquals(List.of("architect: sonnet #1"), tabLabels(herdr));
@@ -855,7 +859,7 @@ class ClaudeCodeLauncherTest {
                 List.of("claude"), "tab", "bridged-workers", "pinned {profile}", null, null, null);
         new ClaudeCodeLauncher(new AgentControl(herdr), new WorkspaceControl(herdr),
                 new SubscriptionGuard(Set.of("gx00.gw")), Map.of(cfg.profile(), cfg), cfg.profile(),
-                _ -> null, 0, 0L, () -> "{role}: {profile} #{n}")
+                _ -> null, 0, 0L, () -> fleet(null, "{role}: {profile} #{n}"))
                 .spawn(new SpawnRequest("sonnet", null, null, null, null, MemberRole.REVIEWER));
 
         assertEquals(List.of("pinned sonnet"), tabLabels(herdr));
@@ -870,7 +874,7 @@ class ClaudeCodeLauncherTest {
     void theTemplateIsReadOnEverySpawnSoAnEditTakesEffect() {
         FakeHerdr herdr = new FakeHerdr();
         AtomicReference<String> template = new AtomicReference<>("{role}: {profile} #{n}");
-        ClaudeCodeLauncher svc = labelService(herdr, template::get);
+        ClaudeCodeLauncher svc = labelService(herdr, () -> fleet(null, template.get()));
 
         svc.spawn(new SpawnRequest("sonnet", null, null, null, null, MemberRole.DEV));
         template.set("[{profile}] {role} {n}");

bridged/src/test/java/dev/ltms/bridged/member/CompositePeerLauncherTest.java

@@ -77,7 +77,7 @@ class CompositePeerLauncherTest {
         }
 
         @Override
-        protected Launch buildLaunch(BridgedConfig.Profile cfg) {
+        protected Launch buildLaunch(BridgedConfig.Profile cfg, LaunchSpec spec) {
             return new Launch(Map.of(), List.of());
         }
 

bridged/src/test/java/dev/ltms/bridged/member/HerdrPeerLauncherCharterTest.java

@@ -0,0 +1,71 @@
+package dev.ltms.bridged.member;
+
+import dev.ltms.bridged.config.BridgedConfig;
+import dev.ltms.bridged.herdr.AgentControl;
+import dev.ltms.bridged.herdr.FakeHerdr;
+import dev.ltms.bridged.herdr.WorkspaceControl;
+import dev.ltms.bridged.peer.Capability;
+import dev.ltms.bridged.peer.MemberRole;
+import dev.ltms.bridged.peer.SpawnRequest;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Supplier;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class HerdrPeerLauncherCharterTest {
+
+    @Test
+    void readsAndComposesTheFleetCharterForEachSpawn() {
+        AtomicReference<BridgedConfig.Fleet> fleet = new AtomicReference<>(fleet(Map.of()));
+        CapturingLauncher launcher = new CapturingLauncher(fleet::get);
+
+        launcher.spawn(new SpawnRequest("mcp", null, null, null, null, MemberRole.DEV));
+        fleet.set(fleet(Map.of("dev", "role charter")));
+        launcher.spawn(new SpawnRequest("mcp", null, null, null, null, MemberRole.DEV));
+        launcher.spawn(new SpawnRequest("no-mcp", null, null, null, null, MemberRole.DEV));
+
+        assertEquals(HerdrPeerLauncher.REPLY_CHARTER, launcher.specs.get(0).charter(),
+                "without a role charter, MCP profiles receive only the reply charter");
+        assertEquals("role charter\n\n" + HerdrPeerLauncher.REPLY_CHARTER, launcher.specs.get(1).charter(),
+                "the changed supplier value is read for the next spawn and the reply rule is last");
+        assertEquals("role charter", launcher.specs.get(2).charter(),
+                "a role charter does not depend on an MCP mount");
+    }
+
+    private static BridgedConfig.Fleet fleet(Map<String, String> charters) {
+        return new BridgedConfig.Fleet(Map.of(), Map.of(), Map.of(), Map.of(), charters, null);
+    }
+
+    private static final class CapturingLauncher extends HerdrPeerLauncher {
+        private final List<LaunchSpec> specs = new ArrayList<>();
+
+        CapturingLauncher(Supplier<BridgedConfig.Fleet> fleet) {
+            super("test", new AgentControl(new FakeHerdr()), new WorkspaceControl(new FakeHerdr()),
+                    Map.of("mcp", profile("mcp", "http://bridge"),
+                            "no-mcp", profile("no-mcp", null)),
+                    "mcp", _ -> null, 0, () -> 0L, () -> { }, fleet);
+        }
+
+        @Override
+        protected Launch buildLaunch(BridgedConfig.Profile cfg, LaunchSpec spec) {
+            specs.add(spec);
+            return new Launch(Map.of(), List.of("test"));
+        }
+
+        @Override
+        public Set<Capability> capabilities() {
+            return Set.of();
+        }
+
+        private static BridgedConfig.Profile profile(String name, String mcpUrl) {
+            return new BridgedConfig.Profile(name, "http://gx00.gw:8000", null, null,
+                    "BRIDGED_WORKER_TOKEN", List.of("test"), "pane", null, null, mcpUrl, null, null);
+        }
+    }
+}