chore: fix 154 f-strings, simplify getattr/URL patterns, remove dead code (#3119)

Three categories of cleanup, all zero-behavioral-change:

1. F-strings without placeholders (154 fixes across 29 files)
   - Converted f'...' to '...' where no {expression} was present
   - Heaviest files: run_agent.py (24), cli.py (20), honcho_integration/cli.py (34)

2. Simplify defensive patterns in run_agent.py
   - Added explicit self._is_anthropic_oauth = False in __init__ (before
     the api_mode branch that conditionally sets it)
   - Replaced 7x getattr(self, '_is_anthropic_oauth', False) with direct
     self._is_anthropic_oauth (attribute always initialized now)
   - Added _is_openrouter_url() and _is_anthropic_url() helper methods
   - Replaced 3 inline 'openrouter' in self._base_url_lower checks

3. Remove dead code in small files
   - hermes_cli/claw.py: removed unused 'total' computation
   - tools/fuzzy_match.py: removed unused strip_indent() function and
     pattern_stripped variable

Full test suite: 6184 passed, 0 failures
E2E PTY: banner clean, tool calls work, zero garbled ANSI

hermes_cli/tools_config.py

@@ -659,7 +659,7 @@ def _configure_tool_category(ts_key: str, cat: dict, config: dict):
         # Multiple providers - let user choose
         print()
         # Use custom title if provided (e.g. "Select Search Provider")
-        title = cat.get("setup_title", f"Choose a provider")
+        title = cat.get("setup_title", "Choose a provider")
         print(color(f"  --- {icon} {name} - {title} ---", Colors.CYAN))
         if cat.get("setup_note"):
             _print_info(f"  {cat['setup_note']}")
@@ -768,9 +768,9 @@ def _configure_provider(provider: dict, config: dict):
 
             if value:
                 save_env_value(var["key"], value)
-                _print_success(f"    Saved")
+                _print_success("    Saved")
             else:
-                _print_warning(f"    Skipped")
+                _print_warning("    Skipped")
                 all_configured = False
 
     # Run post-setup hooks if needed
@@ -834,9 +834,9 @@ def _configure_simple_requirements(ts_key: str):
         value = _prompt(f"    {var}", password=True)
         if value and value.strip():
             save_env_value(var, value.strip())
-            _print_success(f"    Saved")
+            _print_success("    Saved")
         else:
-            _print_warning(f"    Skipped")
+            _print_warning("    Skipped")
 
 
 def _reconfigure_tool(config: dict):
@@ -924,7 +924,7 @@ def _reconfigure_provider(provider: dict, config: dict):
             _print_success(f"  Browser cloud provider set to: {bp}")
         else:
             config.get("browser", {}).pop("cloud_provider", None)
-            _print_success(f"  Browser set to local mode")
+            _print_success("  Browser set to local mode")
 
     # Set web search backend in config if applicable
     if provider.get("web_backend"):
@@ -946,9 +946,9 @@ def _reconfigure_provider(provider: dict, config: dict):
         value = _prompt(f"    {var.get('prompt', var['key'])} (Enter to keep current)", password=not default_val)
         if value and value.strip():
             save_env_value(var["key"], value.strip())
-            _print_success(f"    Updated")
+            _print_success("    Updated")
         else:
-            _print_info(f"    Kept current")
+            _print_info("    Kept current")
 
 
 def _reconfigure_simple_requirements(ts_key: str):
@@ -970,9 +970,9 @@ def _reconfigure_simple_requirements(ts_key: str):
         value = _prompt(f"    {var} (Enter to keep current)", password=True)
         if value and value.strip():
             save_env_value(var, value.strip())
-            _print_success(f"    Updated")
+            _print_success("    Updated")
         else:
-            _print_info(f"    Kept current")
+            _print_info("    Kept current")
 
 
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