feat: add phase 3 readonly models

internal/projects/store.go

@@ -0,0 +1,92 @@
+package projects
+
+import (
+	"bufio"
+	"os"
+	"path/filepath"
+	"sort"
+	"strconv"
+	"strings"
+
+	"codex-agent-manager/internal/codexhome"
+)
+
+type Store struct {
+	CodexHome string
+}
+
+func (s Store) List() ([]Project, error) {
+	configPath, err := codexhome.ResolveInside(s.CodexHome, "config.toml")
+	if err != nil {
+		return nil, err
+	}
+	data, err := os.ReadFile(configPath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return []Project{}, nil
+		}
+		return nil, err
+	}
+
+	projects := parseProjectsConfig(string(data), configPath)
+	sort.Slice(projects, func(i, j int) bool {
+		return projects[i].Path < projects[j].Path
+	})
+	for i := range projects {
+		if projects[i].DisplayName == "" {
+			projects[i].DisplayName = filepath.Base(projects[i].Path)
+		}
+		if info, err := os.Stat(projects[i].Path); err == nil && info.IsDir() {
+			projects[i].DirectoryExists = true
+		}
+	}
+	return projects, nil
+}
+
+func parseProjectsConfig(input string, sourcePath string) []Project {
+	var result []Project
+	var current *Project
+	scanner := bufio.NewScanner(strings.NewReader(input))
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" || strings.HasPrefix(line, "#") {
+			continue
+		}
+		if strings.HasPrefix(line, "[") && strings.HasSuffix(line, "]") {
+			current = nil
+			section := strings.TrimSuffix(strings.TrimPrefix(line, "["), "]")
+			if !strings.HasPrefix(section, "projects.") {
+				continue
+			}
+			path, err := strconv.Unquote(strings.TrimPrefix(section, "projects."))
+			if err != nil || path == "" {
+				continue
+			}
+			result = append(result, Project{
+				Path:       path,
+				Source:     SourceEvidence{Kind: "config_toml", Path: sourcePath, Confidence: "high"},
+				TrustLevel: "unknown",
+			})
+			current = &result[len(result)-1]
+			continue
+		}
+		if current == nil {
+			continue
+		}
+		key, raw, ok := strings.Cut(line, "=")
+		if !ok {
+			continue
+		}
+		value, err := strconv.Unquote(strings.TrimSpace(raw))
+		if err != nil {
+			continue
+		}
+		switch strings.TrimSpace(key) {
+		case "trust_level":
+			current.TrustLevel = value
+		case "display_name":
+			current.DisplayName = value
+		}
+	}
+	return result
+}