Add spell practice, memory analytics, auth persistence, and word library UX.

Includes per-word training stats and curves, quiz session auto-save, remember-login, paginated word list with floating page arrows, and Obsidian-style relationship graph baseline. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-04 14:57:39 -07:00
parent bd7635986a
commit 68c5efe573
30 changed files with 2560 additions and 63 deletions
@@ -0,0 +1,52 @@
+"""启动时补齐新增列（已有库无需手工迁移）。"""
+
+from sqlalchemy import inspect, text
+
+from database import engine
+
+
+def run_migrations() -> None:
+    insp = inspect(engine)
+    with engine.begin() as conn:
+        if insp.has_table("words"):
+            cols = {c["name"] for c in insp.get_columns("words")}
+            if "total_train_seconds" not in cols:
+                conn.execute(
+                    text(
+                        "ALTER TABLE words ADD COLUMN total_train_seconds "
+                        "INTEGER NOT NULL DEFAULT 0"
+                    )
+                )
+            if "train_count" not in cols:
+                conn.execute(
+                    text("ALTER TABLE words ADD COLUMN train_count INTEGER NOT NULL DEFAULT 0")
+                )
+
+        if insp.has_table("quiz_records"):
+            cols = {c["name"] for c in insp.get_columns("quiz_records")}
+            if "duration_seconds" not in cols:
+                conn.execute(
+                    text(
+                        "ALTER TABLE quiz_records ADD COLUMN duration_seconds "
+                        "INTEGER NOT NULL DEFAULT 0"
+                    )
+                )
+
+        if insp.has_table("words") and insp.has_table("quiz_records"):
+            conn.execute(
+                text(
+                    """
+                    UPDATE words w SET
+                      train_count = (
+                        SELECT COUNT(*) FROM quiz_records q WHERE q.word_id = w.id
+                      ),
+                      total_train_seconds = (
+                        SELECT COALESCE(SUM(duration_seconds), 0)
+                        FROM quiz_records q WHERE q.word_id = w.id
+                      )
+                    WHERE train_count = 0 AND EXISTS (
+                      SELECT 1 FROM quiz_records q WHERE q.word_id = w.id
+                    )
+                    """
+                )
+            )