Add default conversation command to auto switch b/w general, notes modes

This was the default behavior but behavior regressed when adding slash
commands in PR #463

src/khoj/interface/web/index.html

@@ -287,7 +287,7 @@
         </div>
 
         <!--Add Text Box To Enter Query, Trigger Incremental Search OnChange -->
-        <input type="text" id="query" class="option" onkeyup=incrementalSearch(event) autofocus="autofocus" placeholder="Search directly from your knowledge base">
+        <input type="text" id="query" class="option" onkeyup=incrementalSearch(event) autofocus="autofocus" placeholder="Search your knowledge base using natural language">
 
         <div id="options">
             <!--Add Dropdown to Select Query Type -->

src/khoj/processor/conversation/gpt4all/chat_model.py

@@ -119,7 +119,7 @@ def converse_offline(
     model: str = "llama-2-7b-chat.ggmlv3.q4_K_S.bin",
     loaded_model: Union[GPT4All, None] = None,
     completion_func=None,
-    conversation_command=ConversationCommand.Notes,
+    conversation_command=ConversationCommand.Default,
 ) -> Union[ThreadedGenerator, Iterator[str]]:
     """
     Converse with user using Llama

src/khoj/processor/conversation/openai/gpt.py

@@ -109,7 +109,7 @@ def converse(
     api_key: Optional[str] = None,
     temperature: float = 0.2,
     completion_func=None,
-    conversation_command=ConversationCommand.Notes,
+    conversation_command=ConversationCommand.Default,
 ):
     """
     Converse with user using OpenAI's ChatGPT

src/khoj/processor/conversation/prompts.py

@@ -236,9 +236,10 @@ Q:"""
 # --
 help_message = PromptTemplate.from_template(
     """
+**/notes**: Chat using the information in your knowledge base.
+**/general**: Chat using just Khoj's general knowledge. This will not search against your notes.
+**/default**: Chat using your knowledge base and Khoj's general knowledge for context.
 **/help**: Show this help message.
-**/notes**: Chat using the information in your knowledge base. This is the default method.
-**/general**: Chat using general knowledge with the LLM. This will not search against your notes.
 
 You are using the **{model}** model.
 **version**: {version}

src/khoj/routers/api.py

@@ -705,7 +705,7 @@ async def chat(
     compiled_references, inferred_queries = await extract_references_and_questions(
         request, q, (n or 5), conversation_command
     )
-    conversation_command = get_conversation_command(query=q, any_references=is_none_or_empty(compiled_references))
+    conversation_command = get_conversation_command(query=q, any_references=not is_none_or_empty(compiled_references))
     if conversation_command == ConversationCommand.Help:
         model_type = "offline" if state.processor_config.conversation.enable_offline_chat else "openai"
         formatted_help = help_message.format(model=model_type, version=state.khoj_version)
@@ -755,7 +755,7 @@ async def extract_references_and_questions(
     request: Request,
     q: str,
     n: int,
-    conversation_type: ConversationCommand = ConversationCommand.Notes,
+    conversation_type: ConversationCommand = ConversationCommand.Default,
 ):
     # Load Conversation History
     meta_log = state.processor_config.conversation.meta_log

src/khoj/routers/helpers.py

@@ -60,15 +60,15 @@ def update_telemetry_state(
 def get_conversation_command(query: str, any_references: bool = False) -> ConversationCommand:
     if query.startswith("/notes"):
         return ConversationCommand.Notes
-    elif query.startswith("/general"):
-        return ConversationCommand.General
     elif query.startswith("/help"):
         return ConversationCommand.Help
+    elif query.startswith("/general"):
+        return ConversationCommand.General
     # If no relevant notes found for the given query
     elif not any_references:
         return ConversationCommand.General
     else:
-        return ConversationCommand.Notes
+        return ConversationCommand.Default
 
 
 def generate_chat_response(
@@ -76,7 +76,7 @@ def generate_chat_response(
     meta_log: dict,
     compiled_references: List[str] = [],
     inferred_queries: List[str] = [],
-    conversation_command: ConversationCommand = ConversationCommand.Notes,
+    conversation_command: ConversationCommand = ConversationCommand.Default,
 ) -> Union[ThreadedGenerator, Iterator[str]]:
     def _save_to_conversation_log(
         q: str,

src/khoj/utils/helpers.py

@@ -214,13 +214,15 @@ def log_telemetry(
 
 
 class ConversationCommand(str, Enum):
+    Default = "default"
     General = "general"
     Notes = "notes"
     Help = "help"
 
 
 command_descriptions = {
-    ConversationCommand.General: "This command allows you to search talk with the LLM without including context from your knowledge base.",
-    ConversationCommand.Notes: "This command allows you to search talk with the LLM while including context from your knowledge base.",
-    ConversationCommand.Help: "This command displays a help message with all available commands and other metadata.",
+    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.Help: "Display a help message with all available commands and other metadata.",
 }