feat: externalize filter configuration and add global structured logging and job reprocessing functionality

internal/config/config.go

@@ -11,6 +11,8 @@ type Config struct {
 	Port            string
 	DBPath          string
 	TargetConfig    string
+	FilterConfig    string
+	LogLevel        string
 	LLMProvider     string // "gemini", "deepseek", "mock"
 	GeminiAPIKey    string
 	DeepSeekAPIKey  string
@@ -23,6 +25,8 @@ func RegisterFlags(flags *pflag.FlagSet) *Config {
 	flags.StringVarP(&cfg.Port, "port", "p", getEnvOrDefault("PORT", "8080"), "HTTP server port")
 	flags.StringVarP(&cfg.DBPath, "db", "d", getEnvOrDefault("DB_PATH", "data/db/hireme.db"), "Path to database file")
 	flags.StringVarP(&cfg.TargetConfig, "target-config", "c", getEnvOrDefault("TARGET_CONFIG", "data/config/targets.yaml"), "Path to targets YAML file")
+	flags.StringVarP(&cfg.FilterConfig, "filter-config", "f", getEnvOrDefault("FILTER_CONFIG", "data/config/filters.yaml"), "Path to filters YAML file")
+	flags.StringVar(&cfg.LogLevel, "log-level", getEnvOrDefault("LOG_LEVEL", "info"), "Logging level (trace, debug, info, error)")
 	flags.StringVarP(&cfg.LLMProvider, "llm-provider", "l", getEnvOrDefault("LLM_PROVIDER", ""), "Active LLM Provider (gemini, deepseek, mock)")
 	flags.StringVar(&cfg.GeminiAPIKey, "gemini-api-key", os.Getenv("GEMINI_API_KEY"), "Gemini API Key")
 	flags.StringVar(&cfg.DeepSeekAPIKey, "deepseek-api-key", os.Getenv("DEEPSEEK_API_KEY"), "DeepSeek API Key")

internal/config/filters.go

@@ -0,0 +1,28 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/hireme/hireme/internal/filter"
+	"gopkg.in/yaml.v3"
+)
+
+type FilterConfig struct {
+	HardKeywords   []string               `yaml:"hard_keywords"`
+	ScoringWeights []filter.KeywordWeight `yaml:"scoring_weights"`
+}
+
+func LoadFilterConfig(path string) (*FilterConfig, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read filter config file %s: %w", path, err)
+	}
+
+	var cfg FilterConfig
+	if err := yaml.Unmarshal(data, &cfg); err != nil {
+		return nil, fmt.Errorf("failed to unmarshal filter config: %w", err)
+	}
+
+	return &cfg, nil
+}