fix(ci): add link to job logs in summary

Replace "See check output above" with a clickable link to the
GitHub Actions run page.

Author: danceratopz

scripts/fast_checks.py

@@ -35,22 +35,24 @@ class Check:
     run: Callable[[], int]  # Function that runs the check, returns exit code
 
 
-def write_github_summary(check: Check, check_key: str, output: str) -> None:
+def write_github_summary(check: Check, check_key: str) -> None:
     """Write failure summary to GITHUB_STEP_SUMMARY if in CI."""
     summary_file = os.environ.get("GITHUB_STEP_SUMMARY")
     if not summary_file:
         return
 
-    # Truncate output if too long
-    max_output = 2000
-    if len(output) > max_output:
-        output = output[:max_output] + "\n... (truncated)"
+    # Build link to job logs
+    server = os.environ.get("GITHUB_SERVER_URL", "https://github.com")
+    repo = os.environ.get("GITHUB_REPOSITORY", "")
+    run_id = os.environ.get("GITHUB_RUN_ID", "")
+    log_link = f"{server}/{repo}/actions/runs/{run_id}" if repo else ""
 
     with open(summary_file, "a") as f:
         f.write(f"## ❌ {check.name} failed\n\n")
-        f.write("```\n")
-        f.write(output)
-        f.write("\n```\n\n")
+        if log_link:
+            f.write(f"[See full log output]({log_link})\n\n")
+        else:
+            f.write("See log output above.\n\n")
         f.write("### How to fix\n\n")
         f.write(check.fix_hint)
         f.write("\n\n")
@@ -331,7 +333,7 @@ def main() -> None:
             print("\nRun all static checks: tox -e check\n", file=sys.stderr)
         # For changelog, we already built the output message
         if args.check != "changelog":
-            write_github_summary(check, args.check, "See check output above")
+            write_github_summary(check, args.check)
 
     sys.exit(exit_code)