feat(agents,claude_sdk): skill sets per conversation kind

tests/test_claude_sdk_backend.py

@@ -25,7 +25,7 @@ from claude_agent_sdk import (
 )
 
 from beaver_gateway.agents.base import ExposedMcp
-from beaver_gateway.agents.claude import ClaudeAgent, ClaudeOptions, Prompts
+from beaver_gateway.agents.claude import ClaudeAgent, ClaudeOptions, Prompts, SkillSets
 from beaver_gateway.backends.claude_sdk import (
     ClaudeSdkBackend,
     RunnerConfig,
@@ -355,29 +355,58 @@ async def test_mcp_deny_and_usage_sink(cwd: Path) -> None:
     assert seen[0].session_id == "fresh-session"
 
 
-async def test_skill_sets_become_sorted_plugins(cwd: Path) -> None:
+def _skill_sets(cwd: Path, *names: str) -> tuple[Path, ...]:
     sets = cwd / "skills"
-    for name in ("zeta", "общие"):
+    for name in names:
         (sets / name / "demo").mkdir(parents=True)
         (sets / name / "demo" / "SKILL.md").write_text("---\nname: demo\n---\n")
-    backend = _backend(
-        cwd, InMemorySessionStore(), skill_sets=(sets / "zeta", sets / "общие")
-    )
+    return tuple(sets / name for name in names)
+
+
+async def _plugins_for(backend: ClaudeSdkBackend, kind: str) -> list[Path]:
     await _drain(
         backend.complete(
             agent=backend.agent,
             messages=[{"role": "user", "content": "x"}],
-            conversation_id="c",
+            conversation_id=f"c-{kind}",
+            kind=kind,
         )
     )
-    plugins = FakeClient.instances[0].options.plugins
-    assert [p["type"] for p in plugins] == ["local", "local"]
+    plugins = FakeClient.instances[-1].options.plugins
+    assert all(p["type"] == "local" for p in plugins)
     paths = [Path(p["path"]) for p in plugins]
-    assert [p.name for p in paths] == ["zeta", "общие"]
     for path in paths:
+        assert path.parent.name == kind
+        assert path.parent.parent.name == backend.agent.name
         assert (path / ".claude-plugin" / "plugin.json").exists()
         assert (path / "skills" / "demo" / "SKILL.md").exists()
+    return paths
+
+
+async def test_skill_sets_become_sorted_plugins(cwd: Path) -> None:
+    zeta, common = _skill_sets(cwd, "zeta", "общие")
+    backend = _backend(cwd, InMemorySessionStore(), skill_sets=(zeta, common))
+    paths = await _plugins_for(backend, "deep")
+    assert [p.name for p in paths] == ["zeta", "общие"]
     assert FakeClient.instances[0].options.skills == "all"
+    assert [p.name for p in await _plugins_for(backend, "job")] == ["zeta", "общие"]
+
+
+async def test_skill_sets_per_kind(cwd: Path) -> None:
+    a, b = _skill_sets(cwd, "a", "b")
+    backend = _backend(
+        cwd,
+        InMemorySessionStore(),
+        kinds=("master", "branch", "fork"),
+        skill_sets=SkillSets(master=(a,), branch=(a, b)),
+    )
+    master = await _plugins_for(backend, "master")
+    branch = await _plugins_for(backend, "branch")
+    assert [p.name for p in master] == ["a"]
+    assert [p.name for p in branch] == ["a", "b"]
+    assert master[0] != branch[0]
+    assert await _plugins_for(backend, "fork") == []
+    assert FakeClient.instances[-1].options.skills is None
 
 
 async def test_prompt_sources_are_assembled(cwd: Path) -> None: