docs: apply fleet-template (16-artifact scaffold)

Adds missing standard artifacts:
- README.md (if missing)
- AGENTS.md (AI agent contract)
- PLAN.md (current sprint)
- STATUS.md (where we are)
- DEVELOPMENT.md (dev workflow)
- DEPLOYMENT.md (deploy procedure)
- TESTING.md (test strategy)
- DECISIONS.md (ADR index + templates)
- .github/CODEOWNERS
- .github/workflows/ci.yml

Preserves all existing artifacts.

Refs: RugMunchMedia/fleet-template

tests/test_templates.py

@@ -0,0 +1,43 @@
+"""Tests for scraper templates."""
+
+from template_engine import get_template, list_templates
+
+
+def test_list_templates() -> None:
+    templates = list_templates()
+    assert len(templates) >= 40  # At least 40 templates
+    assert any("amazon" in t["id"] for t in templates)
+    assert any("linkedin" in t["id"] for t in templates)
+    assert any("github" in t["id"] for t in templates)
+
+
+def test_get_amazon_template() -> None:
+    t = get_template("amazon-product")
+    assert t is not None
+    assert t["name"] == "Amazon Product"
+    assert "schema" in t
+    assert len(t["schema"]["fields"]) > 5
+
+
+def test_get_linkedin_template() -> None:
+    t = get_template("linkedin-profile")
+    assert t is not None
+    assert "profile" in t["name"].lower()
+
+
+def test_get_nonexistent() -> None:
+    t = get_template("nonexistent-site-12345")
+    assert t is None
+
+
+def test_templates_have_categories() -> None:
+    templates = list_templates()
+    categories = {t["category"] for t in templates}
+    assert "ecommerce" in categories
+    assert "professional" in categories
+
+
+def test_templates_have_icons() -> None:
+    templates = list_templates()
+    for t in templates:
+        assert t.get("icon"), f"Template {t['id']} missing icon"