feat: Phase 1 — 项目骨架搭建，集成 Gin、SQLite 和设置页面

models/analysis.go

@@ -0,0 +1,23 @@
+package models
+
+import "time"
+
+type Analysis struct {
+	ID        int64     `json:"id"`
+	RepoID    int64     `json:"repo_id"`
+	Type      string    `json:"type"` // "pr_description" | "code_review"
+	BaseRef   string    `json:"base_ref"`
+	HeadRef   string    `json:"head_ref"`
+	Result    string    `json:"result"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+type ReviewNote struct {
+	ID         int64     `json:"id"`
+	AnalysisID int64     `json:"analysis_id"`
+	Scope      string    `json:"scope"`     // "overall" | "file" | "suggestion"
+	ScopeKey   string    `json:"scope_key"` // empty for overall, filename for file, suggestion ID for suggestion
+	Content    string    `json:"content"`
+	CreatedAt  time.Time `json:"created_at"`
+	UpdatedAt  time.Time `json:"updated_at"`
+}

models/repository.go

@@ -0,0 +1,12 @@
+package models
+
+import "time"
+
+type Repository struct {
+	ID        int64     `json:"id"`
+	URL       string    `json:"url"`
+	LocalPath string    `json:"local_path"`
+	SizeBytes int64     `json:"size_bytes"`
+	ClonedAt  time.Time `json:"cloned_at"`
+	LastUsed  time.Time `json:"last_used"`
+}

models/settings.go

@@ -0,0 +1,10 @@
+package models
+
+var DefaultSettings = map[string]string{
+	"llm.endpoint":      "https://api.openai.com/v1",
+	"llm.api_key":       "",
+	"llm.model":         "gpt-4o",
+	"review.top_n":      "20",
+	"cache.max_age_days": "7",
+	"cache.max_size_mb":  "5000",
+}