deterministically execute create_skill from create_category, execute skill after creation

tests/integration/test_pipeline.py

@@ -206,4 +206,32 @@ def test_create_skill_empty_category_does_not_wedge(tmp_path):
 
     status, detail = scheduler.submit("tell me if my package was delivered")
     print(f"[{status}] {detail}")
-    assert scheduler.current is None
+    assert scheduler.current is None
+
+
+def test_create_category_chain_runs_new_skill(tmp_path):
+    """A request that needs a brand-new category must end with a skill run.
+
+    Deterministic chain: create_category -> create_skill in the new category ->
+    run that skill (the leaf answers the request, not the category stub). Slow:
+    uses real codegen (~7 min). Run in the background.
+    """
+    config = load_config()
+    require_real(config)
+    config["log"] = str(tmp_path / "decisions.jsonl")
+    config["trace"] = str(tmp_path / "runs.jsonl")
+    config["category_registry"] = str(tmp_path / "categories.json")
+    config["skill_bodies"] = str(tmp_path / "skills")
+    scheduler, config = build_scheduler(config)
+    scheduler.tree = {}
+
+    status, detail = scheduler.submit("track my drone delivery in real time")
+    print(f"[{status}] {detail}")
+
+    rows = scheduler.trace.read()
+    kinds = [e["kind"] for e in rows]
+    assert "category_created" in kinds, "category stub must be authored first"
+    created = next(e for e in rows if e["kind"] == "skill_created")
+    assert created["written"] is True, "codegen must produce a runnable body"
+    assessed = next(e for e in rows if e["kind"] == "assessed")
+    assert assessed["skill"] == created["skill"], "the created skill must run"

tests/test_skills.py

@@ -9,7 +9,9 @@ import pytest
 
 from semif_agent.decisions import Request
 from semif_agent.engine import EngineConfig, EngineUnavailable, SemIfEngine
+from semif_agent.llm import LLMClient
 from semif_agent.log import DecisionLog
+from semif_agent.scheduler import Scheduler
 from semif_agent.skills import (
     CategoryDraft,
     CategoryRegistry,
@@ -198,4 +200,26 @@ def test_navigate_empty_tree_short_circuits(tmp_path):
     result = navigate(None, log, trace, Request("anything"), {})
     assert isinstance(result, CreateCategory)
     assert log.read() == []
-    assert any(e["kind"] == "create_category" for e in trace.read())
+    assert any(e["kind"] == "create_category" for e in trace.read())
+
+
+def test_dispatch_create_category_without_engine_returns_error(tmp_path):
+    """An empty tree short-circuits to CreateCategory; without an engine the
+    category authoring fails gracefully instead of leaving the scheduler wedged."""
+    log = DecisionLog(str(tmp_path / "decisions.jsonl"))
+    trace = TraceLog(str(tmp_path / "runs.jsonl"))
+    scheduler = Scheduler(
+        engine=SemIfEngine(EngineConfig()),
+        llm=LLMClient(base_url="http://localhost:1/v1", model="test"),
+        log=log,
+        config={
+            "skills": {},
+            "category_registry": str(tmp_path / "categories.json"),
+            "skill_bodies": str(tmp_path / "skills"),
+        },
+        trace=trace,
+    )
+    scheduler.tree = {}
+    result = scheduler._dispatch(Request("anything"))
+    assert result.kind == "error"
+    assert "create_category failed" in result.summary