Make the component library a standalone product door (2.63.0).

Add /api/library datasheet import and component GET/PUT with no exam.
Reorganize pytest into datasheet, library, schematic, PCB, and AF+AI.
Document Rust criteria (none chosen; no rustup) and coding conformity.

tests/schematic/test_review_parse.py

@@ -0,0 +1,48 @@
+"""submit_review parsing — ERROR without a datasheet quote is demoted."""
+
+from backend.periscopex.review_parse import parse_submit_review as _parse_review
+
+
+def test_error_without_quote_becomes_unverified_warning():
+    result = _parse_review(
+        {
+            "findings": [
+                {
+                    "finding": "U14 unidirectional clamp clips audio",
+                    "why": "IO-to-GND diode conducts at -0.8 V.",
+                    "status": "ERROR",
+                    "source_page": 3,
+                    "source_quote": "",
+                    "recommendation": "Use a bidirectional array.",
+                }
+            ],
+            "checked_areas": ["ESD"],
+        },
+        "U14",
+        "TPD2E007DCKR",
+    )
+    assert len(result.findings) == 1
+    f = result.findings[0]
+    assert f.status == "WARNING"
+    assert f.why.startswith("Unverified: no verbatim datasheet quote.")
+
+
+def test_error_with_quote_stays_error():
+    result = _parse_review(
+        {
+            "findings": [
+                {
+                    "finding": "FB5 floating",
+                    "why": "FB5 is NC; DCDC5 SW is loaded.",
+                    "status": "ERROR",
+                    "source_page": 12,
+                    "source_quote": "Connect FB5 to the output sense node.",
+                }
+            ],
+            "checked_areas": [],
+        },
+        "U16",
+        "AXP2101",
+    )
+    assert result.findings[0].status == "ERROR"
+    assert not result.findings[0].why.startswith("Unverified:")