fix: stats 프로젝트별 세션 카운트 버그 수정 + 막대 정렬

프로젝트별 세션 수가 전체 세션 수로 동일하게 집계되던 버그를 수정하고,
프로젝트명 길이에 따라 막대 시작 위치가 어긋나던 정렬 문제를 해결

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: solzip

src/claude_diary/cli/stats.py

@@ -52,8 +52,8 @@ def cmd_stats(args):
 
         total_sessions += sessions
         daily_sessions[day] = sessions
-        for p in stats["projects"]:
-            all_projects[p] += sessions
+        for p, count in stats.get("project_sessions", {}).items():
+            all_projects[p] += count
         for c in stats.get("categories", []):
             all_categories[c] += 1
         total_files_created += len(stats["files_created"])
@@ -72,10 +72,11 @@ def cmd_stats(args):
     if all_projects:
         print("  Projects:")
         max_count = max(all_projects.values()) if all_projects else 1
+        max_name_len = max(len(p) for p in all_projects) + 1
         for proj, count in all_projects.most_common(10):
             bar_len = int(count / max_count * 16)
             bar = "█" * bar_len + "░" * (16 - bar_len)
-            print("  %-20s %s %d" % (proj, bar, count))
+            print("  %-*s %s %d" % (max_name_len, proj, bar, count))
         print()
 
     if all_categories:

src/claude_diary/lib/stats.py

@@ -35,6 +35,10 @@ def parse_daily_file(filepath):
     project_matches = re.findall(r'📁 `([^`]+)`', content)
     stats["projects"] = set(project_matches)
 
+    # Per-project session counts
+    project_counter = Counter(project_matches)
+    stats["project_sessions"] = dict(project_counter)
+
     # Files created (KO/EN)
     created_matches = re.findall(
         r'(?:생성된 파일|Files Created).*?\n((?:\s+- `[^`]+`\n?)+)', content

tests/test_cli.py

@@ -694,6 +694,7 @@ def test_stats_with_projects_and_categories(self, mock_config, mock_parse, base_
         mock_config.return_value = base_config
         mock_parse.return_value = {
             "sessions": 5, "projects": {"my-app"},
+            "project_sessions": {"my-app": 5},
             "files_created": ["a.py"], "files_modified": ["b.py"],
             "tasks": [], "categories": ["feature", "bugfix"],
         }