feat: read codex agent definitions

internal/server/server.go

@@ -0,0 +1,37 @@
+package server
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"codex-agent-manager/internal/agents"
+	"codex-agent-manager/internal/app"
+)
+
+func New(cfg app.Config) http.Handler {
+	mux := http.NewServeMux()
+	agentStore := agents.Store{CodexHome: cfg.CodexHome}
+
+	mux.HandleFunc("/api/health", func(w http.ResponseWriter, r *http.Request) {
+		writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
+	})
+	mux.HandleFunc("/api/agents", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodGet {
+			writeJSON(w, http.StatusMethodNotAllowed, map[string]string{"error": "方法不允许"})
+			return
+		}
+		items, err := agentStore.List()
+		if err != nil {
+			writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
+			return
+		}
+		writeJSON(w, http.StatusOK, map[string]any{"items": items})
+	})
+	return mux
+}
+
+func writeJSON(w http.ResponseWriter, status int, body any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	_ = json.NewEncoder(w).Encode(body)
+}

internal/server/server_test.go

@@ -0,0 +1,58 @@
+package server
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"codex-agent-manager/internal/app"
+)
+
+func TestAgentsEndpointReturnsAgentItems(t *testing.T) {
+	root := t.TempDir()
+	agentsDir := filepath.Join(root, "agents")
+	if err := os.MkdirAll(agentsDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	content := `name = "代码员"
+description = "负责实现"
+`
+	if err := os.WriteFile(filepath.Join(agentsDir, "coder.toml"), []byte(content), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	req := httptest.NewRequest(http.MethodGet, "/api/agents", nil)
+	rec := httptest.NewRecorder()
+	New(app.Config{CodexHome: root, HTTPAddr: "127.0.0.1:0"}).ServeHTTP(rec, req)
+
+	if rec.Code != http.StatusOK {
+		t.Fatalf("status = %d, body = %s", rec.Code, rec.Body.String())
+	}
+	var body struct {
+		Items []struct {
+			ID          string `json:"id"`
+			Name        string `json:"name"`
+			Description string `json:"description"`
+			ParseStatus string `json:"parseStatus"`
+		} `json:"items"`
+	}
+	if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
+		t.Fatalf("invalid json: %v", err)
+	}
+	if len(body.Items) != 1 || body.Items[0].Name != "代码员" || body.Items[0].ParseStatus != "valid" {
+		t.Fatalf("unexpected response: %#v", body)
+	}
+}
+
+func TestAgentsEndpointRejectsUnsupportedMethod(t *testing.T) {
+	req := httptest.NewRequest(http.MethodPost, "/api/agents", nil)
+	rec := httptest.NewRecorder()
+	New(app.Config{CodexHome: t.TempDir(), HTTPAddr: "127.0.0.1:0"}).ServeHTTP(rec, req)
+
+	if rec.Code != http.StatusMethodNotAllowed {
+		t.Fatalf("status = %d, want %d", rec.Code, http.StatusMethodNotAllowed)
+	}
+}