feat(agentic): surface workspace metadata in status output

pkg/mcp/agentic/status.go

@@ -96,6 +96,9 @@ type WorkspaceInfo struct {
 	Status   string `json:"status"`
 	Agent    string `json:"agent"`
 	Repo     string `json:"repo"`
+	Branch   string `json:"branch,omitempty"`
+	Issue    int    `json:"issue,omitempty"`
+	PRURL    string `json:"pr_url,omitempty"`
 	Task     string `json:"task"`
 	Age      string `json:"age"`
 	Question string `json:"question,omitempty"`
@@ -144,6 +147,9 @@ func (s *PrepSubsystem) status(ctx context.Context, _ *mcp.CallToolRequest, inpu
 		info.Status = st.Status
 		info.Agent = st.Agent
 		info.Repo = st.Repo
+		info.Branch = st.Branch
+		info.Issue = st.Issue
+		info.PRURL = st.PRURL
 		info.Task = st.Task
 		info.Runs = st.Runs
 		info.Age = time.Since(st.StartedAt).Truncate(time.Minute).String()

pkg/mcp/agentic/status_test.go

@@ -4,6 +4,7 @@ package agentic
 
 import (
 	"context"
+	"path/filepath"
 	"testing"
 	"time"
 )
@@ -52,3 +53,42 @@ func TestPlanRead_Good_ReturnsWrittenPlan(t *testing.T) {
 		t.Fatalf("expected title %q, got %q", plan.Title, out.Plan.Title)
 	}
 }
+
+func TestStatus_Good_ExposesWorkspaceMetadata(t *testing.T) {
+	root := t.TempDir()
+	sub := &PrepSubsystem{codePath: root}
+
+	wsDir := filepath.Join(root, ".core", "workspace", "repo-123")
+	plan := &WorkspaceStatus{
+		Status: "completed",
+		Agent:  "claude",
+		Repo:   "go-mcp",
+		Branch: "agent/issue-42-fix-status",
+		Issue:  42,
+		PRURL:  "https://forge.example/pr/42",
+		Task:   "Fix status output",
+		Runs:   2,
+	}
+	if err := writeStatus(wsDir, plan); err != nil {
+		t.Fatalf("writeStatus failed: %v", err)
+	}
+
+	_, out, err := sub.status(context.Background(), nil, StatusInput{})
+	if err != nil {
+		t.Fatalf("status failed: %v", err)
+	}
+	if out.Count != 1 {
+		t.Fatalf("expected count 1, got %d", out.Count)
+	}
+
+	info := out.Workspaces[0]
+	if info.Branch != plan.Branch {
+		t.Fatalf("expected branch %q, got %q", plan.Branch, info.Branch)
+	}
+	if info.Issue != plan.Issue {
+		t.Fatalf("expected issue %d, got %d", plan.Issue, info.Issue)
+	}
+	if info.PRURL != plan.PRURL {
+		t.Fatalf("expected PR URL %q, got %q", plan.PRURL, info.PRURL)
+	}
+}

pkg/mcp/agentic/watch.go

@@ -32,6 +32,8 @@ type WatchResult struct {
 	Agent     string `json:"agent"`
 	Repo      string `json:"repo"`
 	Status    string `json:"status"`
+	Branch    string `json:"branch,omitempty"`
+	Issue     int    `json:"issue,omitempty"`
 	PRURL     string `json:"pr_url,omitempty"`
 }
 
@@ -107,6 +109,9 @@ func (s *PrepSubsystem) watch(ctx context.Context, req *mcp.CallToolRequest, inp
 					Agent:     info.Agent,
 					Repo:      info.Repo,
 					Status:    info.Status,
+					Branch:    info.Branch,
+					Issue:     info.Issue,
+					PRURL:     info.PRURL,
 				})
 				delete(remaining, info.Name)
 			case "failed", "blocked":
@@ -115,6 +120,9 @@ func (s *PrepSubsystem) watch(ctx context.Context, req *mcp.CallToolRequest, inp
 					Agent:     info.Agent,
 					Repo:      info.Repo,
 					Status:    info.Status,
+					Branch:    info.Branch,
+					Issue:     info.Issue,
+					PRURL:     info.PRURL,
 				})
 				delete(remaining, info.Name)
 			}