Add Robot Framework integration test for Specification Workflow Example 3.
Exercises cautious automation profile with multi-scope invariants,
custom actor registration, confidence-threshold pausing, decision tree
inspection, and plan correct --mode revert flow using mocked LLM
providers.

ISSUES CLOSED: #767

@@ -0,0 +92,4 @@
+    while i < len(lines):
+        ln = lines[i]
+        qc = sum(
+            1 for j, c in enumerate(ln) if c == '"' and (j == 0 or ln[j - 1] != "\\")

@@ -0,0 +126,4 @@
+
+
+def _no_crash(combined: str, label: str) -> None:
+    if "INTERNAL" in combined or "Traceback" in combined:

@@ -0,0 +241,4 @@
+    uow = UnitOfWork(db_url)
+    svc = DecisionService(settings=_settings(db_url), unit_of_work=uow)
+    root, child, gchild = _seed(svc, pid)
+    return pid, root, child, gchild

@@ -0,0 +329,4 @@
+                fmt="plain",
+            )
+            out = r2.stdout + r2.stderr
+            if "refactor-to-orm" not in out and "local/refactor" not in out:

@@ -0,0 +379,4 @@
+        if not isinstance(st, dict) or st.get("plan_id") != pid:
+            _fail(f"status mismatch: {st}")
+
+        # TODO(H1): confidence-threshold pausing not tested here.

@@ -0,0 +386,4 @@
+
+        print("wf03-plan-lifecycle-ok")
+    finally:
+        os.unlink(ap)

@@ -0,0 +475,4 @@
+        if not isinstance(rev, list) or child.decision_id not in rev:
+            _fail(f"reverted mismatch: {cd}")
+
+        r2 = _run("plan", "status", pid, ws=ws, label="plan status after correct")