bugfix

internal/codeindex/domain.go

@@ -0,0 +1,75 @@
+// Package codeindex builds and queries a pgvector-backed code index keyed by
+// (workspace, commit). A background job (BuildRunner) embeds git-tracked file
+// chunks; the Search path runs cosine-KNN scoped to the latest completed run.
+// When no embedding endpoint is configured the whole feature is disabled with a
+// typed error (callers degrade to keyword discovery via fs/grep).
+package codeindex
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+
+	"github.com/yan1h/agent-coding-workflow/internal/jobs"
+)
+
+// JobTypeBuild is the jobs.JobType for an event-driven index build.
+const JobTypeBuild jobs.JobType = "codeindex.build"
+
+// Run status values mirror the code_index_runs.status CHECK constraint.
+const (
+	StatusPending   = "pending"
+	StatusRunning   = "running"
+	StatusCompleted = "completed"
+	StatusFailed    = "failed"
+	StatusStale     = "stale"
+)
+
+// Run mirrors a code_index_runs row.
+type Run struct {
+	ID                  uuid.UUID
+	WorkspaceID         uuid.UUID
+	WorktreeID          *uuid.UUID
+	Branch              string
+	CommitSHA           string
+	Status              string
+	EmbeddingEndpointID *uuid.UUID
+	EmbeddingModel      string
+	Dims                int
+	FilesIndexed        int
+	ChunksIndexed       int
+	Error               *string
+	CreatedAt           time.Time
+}
+
+// Chunk is one embeddable line window produced by the Chunker.
+type Chunk struct {
+	StartLine  int
+	EndLine    int
+	Lang       string
+	Content    string
+	ContentSHA []byte // sha256 of Content; enables incremental re-embed
+}
+
+// Snippet is a ranked search result returned to callers (MCP search_code).
+type Snippet struct {
+	FilePath  string
+	StartLine int
+	EndLine   int
+	Content   string
+	Score     float32 // cosine similarity in [0,1]; higher is closer
+	CommitSHA string
+}
+
+// SearchQuery parameterizes a code search.
+type SearchQuery struct {
+	Text       string
+	TopK       int
+	PathPrefix string
+	Lang       string
+}
+
+// buildPayload is the jobs payload for JobTypeBuild.
+type buildPayload struct {
+	RunID uuid.UUID `json:"run_id"`
+}