Switch config to JSON

internal/config/config.go

@@ -1,32 +1,40 @@
 package config
 
 import (
+	"encoding/json"
 	"errors"
 	"os"
 	"path/filepath"
 	"strconv"
 	"strings"
-
-	"github.com/BurntSushi/toml"
 )
 
 type Config struct {
-	Hotkey            string `toml:"hotkey"`
-	FfmpegInput       string `toml:"ffmpeg_input"`
-	WhisperModel      string `toml:"whisper_model"`
-	WhisperLang       string `toml:"whisper_lang"`
-	WhisperDevice     string `toml:"whisper_device"`
-	WhisperExtraArgs  string `toml:"whisper_extra_args"`
-	RecordTimeoutSec  int    `toml:"record_timeout_sec"`
-	WhisperTimeoutSec int    `toml:"whisper_timeout_sec"`
-	SegmentSec        int    `toml:"segment_sec"`
-	Streaming         bool   `toml:"streaming"`
-	InjectionBackend  string `toml:"injection_backend"`
+	Hotkey            string `json:"hotkey"`
+	FfmpegInput       string `json:"ffmpeg_input"`
+	WhisperModel      string `json:"whisper_model"`
+	WhisperLang       string `json:"whisper_lang"`
+	WhisperDevice     string `json:"whisper_device"`
+	WhisperExtraArgs  string `json:"whisper_extra_args"`
+	RecordTimeoutSec  int    `json:"record_timeout_sec"`
+	WhisperTimeoutSec int    `json:"whisper_timeout_sec"`
+	SegmentSec        int    `json:"segment_sec"`
+	Streaming         bool   `json:"streaming"`
+	InjectionBackend  string `json:"injection_backend"`
+
+	AIEnabled          bool    `json:"ai_enabled"`
+	AIProvider         string  `json:"ai_provider"`
+	AIModel            string  `json:"ai_model"`
+	AITemperature      float64 `json:"ai_temperature"`
+	AISystemPromptFile string  `json:"ai_system_prompt_file"`
+	AIBaseURL          string  `json:"ai_base_url"`
+	AIAPIKey           string  `json:"ai_api_key"`
+	AITimeoutSec       int     `json:"ai_timeout_sec"`
 }
 
 func DefaultPath() string {
 	home, _ := os.UserHomeDir()
-	return filepath.Join(home, ".config", "lel", "config.toml")
+	return filepath.Join(home, ".config", "lel", "config.json")
 }
 
 func Defaults() Config {
@@ -42,6 +50,15 @@ func Defaults() Config {
 		SegmentSec:        5,
 		Streaming:         false,
 		InjectionBackend:  "clipboard",
+
+		AIEnabled:          false,
+		AIProvider:         "ollama",
+		AIModel:            "llama3.2:3b",
+		AITemperature:      0.0,
+		AISystemPromptFile: "",
+		AIBaseURL:          "http://localhost:11434",
+		AIAPIKey:           "",
+		AITimeoutSec:       20,
 	}
 }
 
@@ -53,7 +70,11 @@ func Load(path string) (Config, error) {
 	}
 
 	if _, err := os.Stat(path); err == nil {
-		if _, err := toml.DecodeFile(path, &cfg); err != nil {
+		data, err := os.ReadFile(path)
+		if err != nil {
+			return cfg, err
+		}
+		if err := json.Unmarshal(data, &cfg); err != nil {
 			return cfg, err
 		}
 	}
@@ -113,6 +134,34 @@ func applyEnv(cfg *Config) {
 	if v := os.Getenv("LEL_INJECTION_BACKEND"); v != "" {
 		cfg.InjectionBackend = v
 	}
+	if v := os.Getenv("LEL_AI_ENABLED"); v != "" {
+		cfg.AIEnabled = parseBool(v)
+	}
+	if v := os.Getenv("LEL_AI_PROVIDER"); v != "" {
+		cfg.AIProvider = v
+	}
+	if v := os.Getenv("LEL_AI_MODEL"); v != "" {
+		cfg.AIModel = v
+	}
+	if v := os.Getenv("LEL_AI_TEMPERATURE"); v != "" {
+		if n, err := strconv.ParseFloat(v, 64); err == nil {
+			cfg.AITemperature = n
+		}
+	}
+	if v := os.Getenv("LEL_AI_SYSTEM_PROMPT_FILE"); v != "" {
+		cfg.AISystemPromptFile = v
+	}
+	if v := os.Getenv("LEL_AI_BASE_URL"); v != "" {
+		cfg.AIBaseURL = v
+	}
+	if v := os.Getenv("LEL_AI_API_KEY"); v != "" {
+		cfg.AIAPIKey = v
+	}
+	if v := os.Getenv("LEL_AI_TIMEOUT_SEC"); v != "" {
+		if n, err := strconv.Atoi(v); err == nil {
+			cfg.AITimeoutSec = n
+		}
+	}
 }
 
 func parseBool(v string) bool {