Rename the unified post date field.

Use post_date throughout the new schema while retaining hunt_date only as the legacy migration source.

internal/store/migrate.go

@@ -50,22 +50,22 @@ CREATE TABLE IF NOT EXISTS posts (
   title TEXT NOT NULL DEFAULT '',
   body TEXT NOT NULL,
   city TEXT NOT NULL DEFAULT '',
-  hunt_date TEXT NOT NULL DEFAULT '',
+  post_date TEXT NOT NULL DEFAULT '',
   hidden INTEGER NOT NULL DEFAULT 0,
   created_at TEXT NOT NULL,
   updated_at TEXT NOT NULL,
   CHECK (
-    (parent_id IS NULL AND title <> '' AND hunt_date <> '')
+    (parent_id IS NULL AND title <> '' AND post_date <> '')
     OR
-    (parent_id IS NOT NULL AND title = '' AND city = '' AND hunt_date = '' AND hidden = 0)
+    (parent_id IS NOT NULL AND title = '' AND city = '' AND post_date = '' AND hidden = 0)
   )
 )`},
 		{"index post replies", `
 CREATE INDEX IF NOT EXISTS idx_posts_parent_created
   ON posts(parent_id, created_at, id)`},
 		{"index root posts", `
-CREATE INDEX IF NOT EXISTS idx_posts_root_hunt
-  ON posts(hunt_date, hidden)
+CREATE INDEX IF NOT EXISTS idx_posts_root_date
+  ON posts(post_date, hidden)
   WHERE parent_id IS NULL`},
 		{"create post votes", `
 CREATE TABLE IF NOT EXISTS post_votes (
@@ -76,7 +76,7 @@ CREATE TABLE IF NOT EXISTS post_votes (
 )`},
 		{"copy questions", `
 INSERT INTO posts (
-  id, parent_id, author_id, title, body, city, hunt_date, hidden, created_at, updated_at
+  id, parent_id, author_id, title, body, city, post_date, hidden, created_at, updated_at
 )
 SELECT
   id, NULL, author_id, title, body, city, hunt_date, hidden, created_at, created_at
@@ -84,7 +84,7 @@ FROM questions
 ON CONFLICT (id) DO NOTHING`},
 		{"copy answers", `
 INSERT INTO posts (
-  id, parent_id, author_id, title, body, city, hunt_date, hidden, created_at, updated_at
+  id, parent_id, author_id, title, body, city, post_date, hidden, created_at, updated_at
 )
 SELECT
   'answer:' || question_id, question_id, author_id, '', body, '', '', 0, created_at, updated_at

internal/store/migrate_posts_test.go

@@ -117,9 +117,9 @@ VALUES ('homeowner', 'question-1', 1);`); err != nil {
 	}
 
 	var rootParent sql.NullString
-	var rootAuthor, title, rootBody, city, huntDate, rootCreated, rootUpdated string
+	var rootAuthor, title, rootBody, city, postDate, rootCreated, rootUpdated string
 	if err := conn.QueryRowContext(ctx, `
-SELECT parent_id, author_id, title, body, city, hunt_date, created_at, updated_at
+SELECT parent_id, author_id, title, body, city, post_date, created_at, updated_at
 FROM posts
 WHERE id = 'question-1'`).Scan(
 		&rootParent,
@@ -127,7 +127,7 @@ WHERE id = 'question-1'`).Scan(
 		&title,
 		&rootBody,
 		&city,
-		&huntDate,
+		&postDate,
 		&rootCreated,
 		&rootUpdated,
 	); err != nil {
@@ -138,7 +138,7 @@ WHERE id = 'question-1'`).Scan(
 		title != "Leaky sink" ||
 		rootBody != "It drips." ||
 		city != "Oakland" ||
-		huntDate != "2026-08-26" ||
+		postDate != "2026-08-26" ||
 		rootCreated != "2026-08-26T08:00:00Z" ||
 		rootUpdated != rootCreated {
 		t.Fatalf("unexpected root post")
@@ -177,7 +177,7 @@ WHERE user_id = 'homeowner' AND post_id = 'question-1'`).Scan(&voteValue); err !
 
 	if _, err := conn.ExecContext(ctx, `
 INSERT INTO posts (
-  id, parent_id, author_id, title, body, city, hunt_date, hidden, created_at, updated_at
+  id, parent_id, author_id, title, body, city, post_date, hidden, created_at, updated_at
 ) VALUES (
   'invalid-reply', 'question-1', 'homeowner', 'Replies cannot have titles', 'Body', '', '', 0, 'now', 'now'
 )`); err == nil {

internal/store/sqlc/models.go

@@ -24,7 +24,7 @@ type Post struct {
 	Title     string
 	Body      string
 	City      string
-	HuntDate  string
+	PostDate  string
 	Hidden    int32
 	CreatedAt string
 	UpdatedAt string