feat(content): structured content schema models + renderers

tests/unit/foundation/policy/content/test_content_renderers.py

@@ -0,0 +1,92 @@
+"""Markdown rendering tests for the structured content models.
+
+Assert structure (labeled sections + the content appears) rather than exact
+bytes, so the renderers stay refactorable.
+"""
+
+from __future__ import annotations
+
+from roboco.foundation.policy.content import (
+    PrReviewContent,
+    QaNote,
+    ResumptionNote,
+    TaskDescription,
+)
+
+
+def test_pr_review_renders_sections_and_findings_table() -> None:
+    md = PrReviewContent(
+        summary="The guard is missing on the 422 path.",
+        findings=[
+            {
+                "file": "roboco/services/git.py",
+                "line": 42,
+                "severity": "blocker",
+                "expected": "retry as COMMENT",
+                "actual": "raises",
+            }
+        ],
+        verdict="changes_requested",
+    ).render_markdown()
+    assert "## Summary" in md
+    assert "## Findings" in md
+    assert "| File | Line | Severity | Expected → Actual |" in md
+    assert "`roboco/services/git.py`" in md
+    assert "blocker" in md
+    assert "## Verdict" in md
+    assert "changes requested" in md
+
+
+def test_qa_renders_checklist() -> None:
+    md = QaNote(
+        summary="Verified every acceptance criterion against the diff.",
+        ac_verdicts=[
+            {
+                "criterion": "AC1 returns 400",
+                "status": "verified",
+                "how": "test passes",
+            },
+            {"criterion": "AC2 logs", "status": "failed", "how": "no log emitted"},
+        ],
+        verdict="failed",
+    ).render_markdown()
+    assert "## Acceptance Criteria" in md
+    assert "✅" in md and "❌" in md
+    assert "AC1 returns 400" in md
+    assert "## Verdict" in md
+
+
+def test_resumption_renders_done_next_where() -> None:
+    md = ResumptionNote(
+        done="schema module landed",
+        next="wire the gateway chokepoint",
+        where_to_look=[
+            "foundation/policy/content/models.py",
+            "services/content_notes.py",
+        ],
+    ).render_markdown()
+    assert "## Done" in md
+    assert "## Next" in md
+    assert "## Where to look" in md
+    assert "content_notes.py" in md
+    # No machine markers ever leak into the human resumption note.
+    assert "original_developer" not in md
+    assert "documenter:" not in md
+
+
+def test_task_description_renders_all_sections() -> None:
+    md = TaskDescription(
+        objective="Add the structured content standard.",
+        what_this_builds=["a schema layer", "a gateway gate"],
+        the_work=[
+            {"team": "backend", "summary": "models + verbs", "items": ["model", "verb"]}
+        ],
+        notes=["reuse the Team enum"],
+        acceptance_criteria=["reviewer notes are isolated"],
+    ).render_markdown()
+    assert "## Objective" in md
+    assert "## What This Builds" in md
+    assert "## The Work" in md
+    assert "**Backend**" in md
+    assert "## Notes" in md
+    assert "## Acceptance Criteria" in md