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Add sender context mode for text generation (#104)

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Add a per-room/global `sender_context_mode` setting that optionally
prefixes conversation messages with sender metadata before sending them
to the model provider.

This helps models distinguish between participants in multi-user rooms.
                                                                                                                                                                                                                                                             
Three modes are supported:
- `disabled` (default, no change)
- `matrix_user_id` (prefixes with `[sender=@user:server]`)
- `matrix_user_id_and_timestamp` (adds `send_at`; Example: `[sender=@user:server sent_at=<ISO 8601>]`)
                                                                                                                                                                                                                                                             
Sender context is applied to user and assistant text messages only,
skipping system prompts and non-text content.

Mixed-sender merged turns (something we intentionally do for Anthropic)
have their `sender_id` cleared to avoid misattribution.
This commit is contained in:
kschwank
2026-03-25 19:14:34 +01:00
committed by GitHub
parent 661e7263fb
commit 2d659964a7
25 changed files with 719 additions and 14 deletions
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43
src/controller/cfg/help.rs
View File

@@ -7,7 +7,8 @@ use crate::{
roomconfig::{
SpeechToTextFlowType, SpeechToTextMessageTypeForNonThreadedOnlyTranscribedMessages,
TextGenerationAutoUsage, TextGenerationPrefixRequirementType,
TextToSpeechBotMessagesFlowType, TextToSpeechUserMessagesFlowType,
TextGenerationSenderContextMode, TextToSpeechBotMessagesFlowType,
TextToSpeechUserMessagesFlowType,
},
},
strings,
@@ -233,6 +234,46 @@ fn build_section_text_generation(command_prefix: &str, bot_username: &str) -> St
));
message.push_str("\n\n");
// Sender Context
message.push_str(&format!(
"#### {}",
strings::help::cfg::text_generation_sender_context_heading()
));
message.push_str("\n\n");
message.push_str(&strings::help::cfg::text_generation_sender_context_intro());
message.push('\n');
message.push_str(
&strings::help::cfg::the_following_configuration_values_are_recognized(
TextGenerationSenderContextMode::choices(),
),
);
message.push_str("\n\n");
message.push_str(&format!(
"- {}",
&strings::help::cfg::current_setting_show(
command_prefix,
"text-generation sender-context-mode"
)
));
message.push('\n');
message.push_str(&format!(
"- {}",
&strings::help::cfg::current_setting_set(
command_prefix,
"text-generation set-sender-context-mode VALUE"
)
));
message.push('\n');
message.push_str(&format!(
"- {}",
&strings::help::cfg::current_setting_unset(
command_prefix,
"text-generation set-sender-context-mode"
)
));
message.push_str("\n\n");
// Prompt override
message.push_str(&format!(