Do not search documents when default tool selected by agent

What
Explicit selection of notes tool/conversation command by agent is
required now.

Why
- Newer models are good at deciding when to look up notes
- Modern khoj is less of a notes only chat to search notes by default

src/khoj/routers/api_chat.py

@@ -1071,8 +1071,8 @@ async def event_generator(
             logger.debug(f"Researched Results: {''.join(r.summarizedResult or '' for r in research_results)}")
 
     # Gather Context
-    ## Extract Document References
-    if ConversationCommand.Research not in conversation_commands:
+    ## Gather Document References
+    if ConversationCommand.Notes in conversation_commands:
         try:
             async for result in search_documents(
                 q,
@@ -1190,7 +1190,7 @@ async def event_generator(
             ):
                 yield result
 
-    ## Gather Code Results
+    ## Run Code
     if ConversationCommand.Code in conversation_commands:
         try:
             context = f"# Iteration 1:\n#---\nNotes:\n{compiled_references}\n\nOnline Results:{online_results}"
@@ -1216,6 +1216,8 @@ async def event_generator(
                 f"Failed to use code tool: {e}. Attempting to respond without code results",
                 exc_info=True,
             )
+
+    ## Operate Computer
     if ConversationCommand.Operator in conversation_commands:
         try:
             async for result in operate_environment(

src/khoj/routers/helpers.py

@@ -1143,7 +1143,7 @@ async def search_documents(
     user: KhojUser,
     chat_history: list[ChatMessageModel],
     conversation_id: str,
-    conversation_commands: List[ConversationCommand] = [ConversationCommand.Default],
+    conversation_commands: List[ConversationCommand] = [ConversationCommand.Notes],
     location_data: LocationData = None,
     send_status_func: Optional[Callable] = None,
     query_images: Optional[List[str]] = None,
@@ -1161,19 +1161,12 @@ async def search_documents(
     if agent:
         agent_has_entries = await sync_to_async(EntryAdapters.agent_has_entries)(agent=agent)
 
-    if (
-        ConversationCommand.Notes not in conversation_commands
-        and ConversationCommand.Default not in conversation_commands
-        and not agent_has_entries
-    ):
+    if ConversationCommand.Notes not in conversation_commands and not agent_has_entries:
         yield compiled_references, inferred_queries, q
         return
 
-    # If Notes or Default is not in the conversation command, then the search should be restricted to the agent's knowledge base
-    should_limit_to_agent_knowledge = (
-        ConversationCommand.Notes not in conversation_commands
-        and ConversationCommand.Default not in conversation_commands
-    )
+    # If Notes is not in the conversation command, then the search should be restricted to the agent's knowledge base
+    should_limit_to_agent_knowledge = ConversationCommand.Notes not in conversation_commands
 
     if not await sync_to_async(EntryAdapters.user_has_entries)(user=user):
         if not agent_has_entries:

src/khoj/routers/research.py

@@ -317,7 +317,7 @@ async def research(
                 user=user,
                 chat_history=construct_tool_chat_history(previous_iterations, ConversationCommand.SemanticSearchFiles),
                 conversation_id=conversation_id,
-                conversation_commands=[ConversationCommand.Default],
+                conversation_commands=[ConversationCommand.Notes],
                 location_data=location,
                 send_status_func=send_status_func,
                 query_images=query_images,

src/khoj/utils/helpers.py

@@ -435,7 +435,6 @@ class ConversationCommand(str, Enum):
 command_descriptions = {
     ConversationCommand.General: "Only talk about information that relies on Khoj's general knowledge, not your personal knowledge base.",
     ConversationCommand.Notes: "Only talk about information that is available in your knowledge base.",
-    ConversationCommand.Default: "The default command when no command specified. It intelligently auto-switches between general and notes mode.",
     ConversationCommand.Online: "Search for information on the internet.",
     ConversationCommand.Webpage: "Get information from webpage suggested by you.",
     ConversationCommand.Code: "Run Python code to parse information, run complex calculations, create documents and charts.",
@@ -476,7 +475,6 @@ terrarium_tool_description = dedent(
 ).strip()
 
 tool_descriptions_for_llm = {
-    ConversationCommand.Default: "To use a mix of your internal knowledge and the user's personal knowledge, or if you don't entirely understand the query.",
     ConversationCommand.General: "To use when you can answer the question without any outside information or personal knowledge",
     ConversationCommand.Notes: "To search the user's personal knowledge base. Especially helpful if the question expects context from the user's notes or documents.",
     ConversationCommand.Online: "To search for the latest, up-to-date information from the internet. Note: **Questions about Khoj should always use this data source**",