chore(format): fix ruff formatter drift on main

The static/quality format job runs in check mode on push and was failing
on main: `ruff format --check .` flagged 5 unformatted Python files under
examples/showcases/a2ui-pdf-analyst/agent (main.py, src/dynamic_agent.py,
src/fixed_agent.py, src/multimodal_middleware.py, src/pdf_tools.py). The
oxfmt JS/TS check already passes, so this is ruff-only drift. Applied
`ruff format` (pinned 0.15.13, matching CI); diff is formatting-only.

Author: jpr5

examples/showcases/a2ui-pdf-analyst/agent/main.py

@@ -5,6 +5,7 @@
 
 Run with:  uvicorn main:app --port 8123 --reload
 """
+
 from __future__ import annotations
 
 import os

examples/showcases/a2ui-pdf-analyst/agent/src/dynamic_agent.py

@@ -32,6 +32,7 @@
 `web/src/app/api/copilotkit/route.ts` sets `injectA2UITool: false` to
 match.
 """
+
 from __future__ import annotations
 
 import json
@@ -110,12 +111,8 @@ def generate_a2ui(runtime: ToolRuntime[Any]) -> str:
         "comparison, etc.)."
     )
 
-    model_with_tool = _RENDER_MODEL.bind_tools(
-        [render_a2ui], tool_choice="render_a2ui"
-    )
-    response = model_with_tool.invoke(
-        [SystemMessage(content=prompt), *messages]
-    )
+    model_with_tool = _RENDER_MODEL.bind_tools([render_a2ui], tool_choice="render_a2ui")
+    response = model_with_tool.invoke([SystemMessage(content=prompt), *messages])
 
     if not response.tool_calls:
         return json.dumps({"error": "secondary LLM did not call render_a2ui"})

examples/showcases/a2ui-pdf-analyst/agent/src/fixed_agent.py

@@ -7,6 +7,7 @@
 that the agent populates from the document. Clicking a chip fires a
 user action back to the agent, which re-renders with the new scope.
 """
+
 from __future__ import annotations
 
 from pathlib import Path

examples/showcases/a2ui-pdf-analyst/agent/src/multimodal_middleware.py

@@ -28,6 +28,7 @@
 
 Call ``install()`` once at agent startup. It's idempotent.
 """
+
 from __future__ import annotations
 
 from typing import Any, List

examples/showcases/a2ui-pdf-analyst/agent/src/pdf_tools.py

@@ -1,4 +1,5 @@
 """Shared agent tools: PDF text → structured data for the catalog."""
+
 from __future__ import annotations
 
 import json
@@ -86,7 +87,9 @@ def extract_dashboard_data(pdf_text: str, document_name: str) -> str:
 Return ONLY the JSON object.
 """
     out = _EXTRACTOR.invoke([("system", sys), ("user", user)])
-    raw = _strip_to_json(out.content if isinstance(out.content, str) else str(out.content))
+    raw = _strip_to_json(
+        out.content if isinstance(out.content, str) else str(out.content)
+    )
     # Validate. fall back to a tiny placeholder if the LLM produced invalid JSON.
     try:
         data = json.loads(raw)
@@ -96,8 +99,14 @@ def extract_dashboard_data(pdf_text: str, document_name: str) -> str:
             "title": document_name or "Untitled",
             "subtitle": "Could not extract structured data from this document.",
             "kpis": [
-                {"label": "Status", "value": "n/a", "delta": "", "caption": "extraction failed"}
-            ] * 4,
+                {
+                    "label": "Status",
+                    "value": "n/a",
+                    "delta": "",
+                    "caption": "extraction failed",
+                }
+            ]
+            * 4,
             "trend": [],
             "share": [],
             "rows": [],
@@ -142,7 +151,9 @@ def query_pdf(pdf_text: str, question: str) -> str:
 }}
 """
     out = _EXTRACTOR.invoke([("system", sys), ("user", user)])
-    raw = _strip_to_json(out.content if isinstance(out.content, str) else str(out.content))
+    raw = _strip_to_json(
+        out.content if isinstance(out.content, str) else str(out.content)
+    )
     try:
         json.loads(raw)  # validate
         return raw