Add projects

backend/internal/watcher/diff/model_hash.go

@@ -0,0 +1,89 @@
+package diff
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"sort"
+	"strings"
+
+	"github.com/router-for-me/CLIProxyAPI/v7/internal/config"
+	"github.com/router-for-me/CLIProxyAPI/v7/internal/modelconfig"
+	"github.com/router-for-me/CLIProxyAPI/v7/internal/registry"
+)
+
+// ComputeOpenAICompatModelsHash returns a stable hash for OpenAI-compat models.
+// Used to detect model list changes during hot reload.
+func ComputeOpenAICompatModelsHash(models []config.OpenAICompatibilityModel) string {
+	return modelconfig.ComputeOpenAICompatModelsHash(models)
+}
+
+// ComputeVertexCompatModelsHash returns a stable hash for Vertex-compatible models.
+func ComputeVertexCompatModelsHash(models []config.VertexCompatModel) string {
+	return modelconfig.ComputeVertexCompatModelsHash(models)
+}
+
+// ComputeClaudeModelsHash returns a stable hash for Claude model aliases.
+func ComputeClaudeModelsHash(models []config.ClaudeModel) string {
+	return modelconfig.ComputeClaudeModelsHash(models)
+}
+
+// ComputeCodexModelsHash returns a stable hash for Codex model aliases.
+func ComputeCodexModelsHash(models []config.CodexModel) string {
+	return modelconfig.ComputeCodexModelsHash(models)
+}
+
+// ComputeGeminiModelsHash returns a stable hash for Gemini model aliases.
+func ComputeGeminiModelsHash(models []config.GeminiModel) string {
+	return modelconfig.ComputeGeminiModelsHash(models)
+}
+
+// ComputeExcludedModelsHash returns a normalized hash for excluded model lists.
+func ComputeExcludedModelsHash(excluded []string) string {
+	if len(excluded) == 0 {
+		return ""
+	}
+	normalized := make([]string, 0, len(excluded))
+	for _, entry := range excluded {
+		if trimmed := strings.TrimSpace(entry); trimmed != "" {
+			normalized = append(normalized, strings.ToLower(trimmed))
+		}
+	}
+	if len(normalized) == 0 {
+		return ""
+	}
+	sort.Strings(normalized)
+	data, _ := json.Marshal(normalized)
+	sum := sha256.Sum256(data)
+	return hex.EncodeToString(sum[:])
+}
+
+func thinkingHashSuffix(support *registry.ThinkingSupport) string {
+	data, _ := json.Marshal(support)
+	return "|thinking=" + string(data)
+}
+
+func normalizeModelPairs(collect func(out func(key string))) []string {
+	seen := make(map[string]struct{})
+	keys := make([]string, 0)
+	collect(func(key string) {
+		if _, exists := seen[key]; exists {
+			return
+		}
+		seen[key] = struct{}{}
+		keys = append(keys, key)
+	})
+	if len(keys) == 0 {
+		return nil
+	}
+	sort.Strings(keys)
+	return keys
+}
+
+func hashJoined(keys []string) string {
+	if len(keys) == 0 {
+		return ""
+	}
+	sum := sha256.Sum256([]byte(strings.Join(keys, "\n")))
+	return hex.EncodeToString(sum[:])
+}