fix: resolve all ruff check failures (F541 f-string placeholders, F401 unused imports, F841 unused variable)

Co-authored-by: mnriem <15701806+mnriem@users.noreply.github.com>
Agent-Logs-Url: https://github.com/github/spec-kit/sessions/e19bd25e-f084-4f38-85b6-8105cbb50494

Author: Copilot

src/specify_cli/__init__.py

@@ -2505,7 +2505,7 @@ def agent_info(
     if resolved.source == "catalog":
         source_display = f"catalog — {resolved.path}"
     elif resolved.source == "embedded":
-        source_display = f"embedded (bundled in specify-cli wheel)"
+        source_display = "embedded (bundled in specify-cli wheel)"
 
     info_table.add_row("Source", source_display)
     if resolved.overrides:
@@ -2871,8 +2871,8 @@ def agent_add(
         console.print(f"[green]✓[/green] Installed '{manifest.id}' ({manifest.name}) from {source}")
     else:
         # Catalog fetch — placeholder for future catalog integration
-        console.print(f"[yellow]Catalog fetch not yet implemented.[/yellow]")
-        console.print(f"[dim]Use --from <path> to install from a local directory.[/dim]")
+        console.print("[yellow]Catalog fetch not yet implemented.[/yellow]")
+        console.print("[dim]Use --from <path> to install from a local directory.[/dim]")
         raise typer.Exit(1)
 
 

src/specify_cli/agent_pack.py

@@ -563,7 +563,7 @@ def remove_tracked_files(
             modified = check_modified_files(project_path, agent_id)
             if modified:
                 raise AgentFileModifiedError(
-                    f"The following agent files have been modified since installation:\n"
+                    "The following agent files have been modified since installation:\n"
                     + "\n".join(f"  {p}" for p in modified)
                     + "\nUse --force to remove them anyway."
                 )

tests/test_agent_pack.py

@@ -5,7 +5,6 @@
 """
 
 import json
-import shutil
 import textwrap
 from pathlib import Path
 
@@ -22,7 +21,6 @@
     AgentPackError,
     ManifestValidationError,
     PackResolutionError,
-    ResolvedPack,
     _manifest_path,
     _sha256,
     check_modified_files,
@@ -548,9 +546,8 @@ def test_each_embedded_pack_validates(self):
             manifest_file = child / MANIFEST_FILENAME
             if not manifest_file.is_file():
                 continue
-            # Should not raise
-            warnings = validate_pack(child)
-            # Warnings are acceptable; hard errors are not
+            # Should not raise — warnings are acceptable; hard errors are not
+            validate_pack(child)
 
 
 # ===================================================================