fix(file-safety): relax user-write deny policy (#45947)

Allow file tools to edit shell startup files, user package-manager configs, and Hermes control files that the user can already modify directly. Keep hard blocks for SSH keys, .env/OAuth token stores, mcp-tokens, pairing files, and system privilege files.

agent/file_safety.py

@@ -46,11 +46,6 @@ def build_write_denied_paths(home: str) -> set[str]:
             # Top-level Anthropic PKCE credential store remains sensitive even
             # when a profile is active; default/non-profile sessions still read it.
             str(hermes_root / ".anthropic_oauth.json"),
-            os.path.join(home, ".bashrc"),
-            os.path.join(home, ".zshrc"),
-            os.path.join(home, ".profile"),
-            os.path.join(home, ".bash_profile"),
-            os.path.join(home, ".zprofile"),
             os.path.join(home, ".netrc"),
             os.path.join(home, ".pgpass"),
             os.path.join(home, ".npmrc"),
@@ -104,12 +99,6 @@ def is_write_denied(path: str) -> bool:
         if resolved.startswith(prefix):
             return True
 
-    # Hermes control-plane files: block both the ACTIVE profile's view
-    # (hermes_home) AND the global root view. Without the root pass, a
-    # profile-mode session leaves <root>/auth.json + <root>/config.yaml
-    # writable — letting a prompt-injected write_file overwrite the global
-    # files that every profile inherits from (same shape as #15981).
-    control_file_names = ("auth.json", "config.yaml", "webhook_subscriptions.json")
     mcp_tokens_dir_name = "mcp-tokens"
 
     hermes_dirs = []
@@ -122,12 +111,6 @@ def is_write_denied(path: str) -> bool:
             continue
 
     for base_real in hermes_dirs:
-        for name in control_file_names:
-            try:
-                if resolved == os.path.realpath(os.path.join(base_real, name)):
-                    return True
-            except Exception:
-                continue
         try:
             mcp_real = os.path.realpath(os.path.join(base_real, mcp_tokens_dir_name))
             if resolved == mcp_real or resolved.startswith(mcp_real + os.sep):