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feat(ai): add AI client with multi-provider support and UI
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Add an AI client module that integrates with OpenAI-compatible API
providers (OpenAI, Perplexity, and custom providers) to provide
AI-assisted responses within the profanity client.

The implementation includes:

- src/ai/ai_client.c/h: Core AI client with provider management,
  session handling, and async HTTP request handling via libcurl.
  Supports per-provider API keys stored in preferences, reference-
  counted sessions, and conversation history tracking.

- src/ui/window.c/window_list.c: New AI window type (ProfAiWin) for
  displaying AI conversations, with response streaming and error
  display capabilities.

- Command integration: New `/ai` command (cmd_defs.c, cmd_funcs.c)
  for creating sessions, sending prompts, and managing providers.
  Provider autocomplete support in cmd_ac.c.

- Preferences integration: API keys for providers are persisted in
  the preferences system (config/preferences.c).

- Unit tests: 472 lines of comprehensive tests covering provider
  management, session lifecycle, JSON escaping, and autocomplete
  (tests/unittests/test_ai_client.c).

Architecture decisions:
- Asynchronous design: HTTP requests run on a separate thread to
  avoid blocking the main UI loop. Callbacks are invoked on the main
  thread via direct function call (profanity uses ncurses, not GLib
  main loop).
- Reference counting: Both AIProvider and AISession use ref counting
  for safe shared ownership.
- Response size limit: 10MB cap on HTTP responses to prevent OOM.
This commit is contained in:
Jabber Developer
2026-04-29 19:23:33 +00:00
parent 0feacbc9da
commit e43e8378b0
20 changed files with 2399 additions and 6 deletions
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7
src/command/cmd_funcs.h
View File

@@ -166,6 +166,13 @@ gboolean cmd_console(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_command_list(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_command_exec(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_change_password(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_ai(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_ai_set(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_ai_remove(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_ai_start(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_ai_clear(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_ai_correct(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_ai_providers(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_plugins(ProfWin* window, const char* const command, gchar** args);
gboolean cmd_plugins_sourcepath(ProfWin* window, const char* const command, gchar** args);