updated to run on Windows and add est capabilities

src/providers/claude.py

@@ -39,7 +39,7 @@ class ClaudeProvider(BaseProvider):
                 "init",
                 RuntimeError(
                     "CLAUDE_SESSION_KEY is not set. "
-                    "Run 'python -m src.main auth' to configure it."
+                    "Run 'ai-chat-exporter auth' to configure it."
                 ),
             )
         # Set sessionKey in the cookie jar
@@ -60,7 +60,7 @@ class ClaudeProvider(BaseProvider):
             "Note: Claude session keys are opaque — a 401 is the only expiry signal. "
             "To refresh: open claude.ai in Chrome → F12 → Application → Cookies "
             "→ find 'sessionKey' → copy the value. "
-            "Then run 'python -m src.main auth' or update CLAUDE_SESSION_KEY in .env."
+            "Then run 'ai-chat-exporter auth' or update CLAUDE_SESSION_KEY in .env."
         )
         logger.error(msg)
         raise ProviderError(