Remove legacy question storage

db/queries/answers.sql

@@ -1,11 +0,0 @@
--- name: UpsertAnswer :exec
-INSERT INTO answers (question_id, author_id, body, created_at, updated_at)
-VALUES ($1, $2, $3, $4, $5)
-ON CONFLICT (question_id) DO UPDATE
-SET body = excluded.body, author_id = excluded.author_id, updated_at = excluded.updated_at;
-
--- name: GetAnswer :one
-SELECT a.question_id, a.author_id, u.name AS author_name, a.body, a.created_at, a.updated_at
-FROM answers a
-JOIN users u ON u.id = a.author_id
-WHERE a.question_id = $1;

db/queries/questions.sql

@@ -1,62 +0,0 @@
--- name: CreateQuestion :exec
-INSERT INTO questions (id, author_id, title, body, city, hunt_date, hidden, created_at)
-VALUES ($1, $2, $3, $4, $5, $6, 0, $7);
-
--- name: HideQuestion :exec
-UPDATE questions
-SET hidden = 1
-WHERE id = $1;
-
--- name: ListHunt :many
-SELECT q.id, q.author_id, u.name AS author_name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at,
-       COALESCE(SUM(v.value), 0)::bigint AS score,
-       CASE WHEN a.question_id IS NULL THEN 0 ELSE 1 END::bigint AS answered,
-       COALESCE((
-         SELECT votes.value FROM votes
-         WHERE votes.user_id = sqlc.arg(viewer_id) AND votes.question_id = q.id
-       ), 0)::bigint AS user_vote
-FROM questions q
-JOIN users u ON u.id = q.author_id
-LEFT JOIN votes v ON v.question_id = q.id
-LEFT JOIN answers a ON a.question_id = q.id
-WHERE q.hunt_date = sqlc.arg(hunt_date) AND q.hidden = 0
-GROUP BY q.id, q.author_id, u.name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at, a.question_id
-ORDER BY score DESC, q.created_at ASC
-LIMIT sqlc.arg(row_limit);
-
--- name: GetQuestion :one
-SELECT q.id, q.author_id, u.name AS author_name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at,
-       COALESCE((SELECT SUM(votes.value) FROM votes WHERE votes.question_id = q.id), 0)::bigint AS score,
-       CASE WHEN a.question_id IS NULL THEN 0 ELSE 1 END::bigint AS answered,
-       COALESCE((
-         SELECT votes.value FROM votes
-         WHERE votes.user_id = sqlc.arg(viewer_id) AND votes.question_id = q.id
-       ), 0)::bigint AS user_vote
-FROM questions q
-JOIN users u ON u.id = q.author_id
-LEFT JOIN answers a ON a.question_id = q.id
-WHERE q.id = sqlc.arg(id);
-
--- name: ListQuestionsByAuthor :many
-SELECT q.id, q.author_id, u.name AS author_name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at,
-       COALESCE((SELECT SUM(votes.value) FROM votes WHERE votes.question_id = q.id), 0)::bigint AS score,
-       CASE WHEN a.question_id IS NULL THEN 0 ELSE 1 END::bigint AS answered,
-       0::bigint AS user_vote
-FROM questions q
-JOIN users u ON u.id = q.author_id
-LEFT JOIN answers a ON a.question_id = q.id
-WHERE q.author_id = sqlc.arg(author_id) AND q.hidden = 0
-ORDER BY q.created_at DESC
-LIMIT sqlc.arg(row_limit);
-
--- name: ListQuestionsAnsweredBy :many
-SELECT q.id, q.author_id, u.name AS author_name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at,
-       COALESCE((SELECT SUM(votes.value) FROM votes WHERE votes.question_id = q.id), 0)::bigint AS score,
-       1::bigint AS answered,
-       0::bigint AS user_vote
-FROM answers ans
-JOIN questions q ON q.id = ans.question_id
-JOIN users u ON u.id = q.author_id
-WHERE ans.author_id = sqlc.arg(admin_id) AND q.hidden = 0
-ORDER BY ans.updated_at DESC
-LIMIT sqlc.arg(row_limit);

db/queries/votes.sql

@@ -1,24 +0,0 @@
--- name: GetVote :one
-SELECT value
-FROM votes
-WHERE user_id = $1 AND question_id = $2;
-
--- name: QuestionIsVisible :one
-SELECT EXISTS(
-  SELECT 1 FROM questions WHERE id = $1 AND hidden = 0
-)::bool;
-
--- name: DeleteVote :exec
-DELETE FROM votes
-WHERE user_id = $1 AND question_id = $2;
-
--- name: UpsertVoteOnVisible :execrows
-INSERT INTO votes (user_id, question_id, value)
-SELECT $1, $2, $3
-FROM questions q
-WHERE q.id = $2 AND q.hidden = 0
-ON CONFLICT (user_id, question_id) DO UPDATE
-SET value = excluded.value
-WHERE EXISTS (
-  SELECT 1 FROM questions q2 WHERE q2.id = excluded.question_id AND q2.hidden = 0
-);

internal/store/answer.go

@@ -1,63 +0,0 @@
-package store
-
-import (
-	"context"
-	"database/sql"
-	"fmt"
-	"strings"
-	"time"
-
-	"plumber/internal/store/sqlc"
-)
-
-// Answer is an admin reply to a question.
-type Answer struct {
-	QuestionID string
-	AuthorID   string
-	AuthorName string
-	Body       string
-	CreatedAt  string
-	UpdatedAt  string
-	db         *sql.DB
-}
-
-// NewAnswer returns an Answer bound to db.
-func NewAnswer(db *sql.DB) *Answer {
-	return &Answer{db: db}
-}
-
-// Upsert inserts or updates the answer for QuestionID.
-func (a *Answer) Upsert(ctx context.Context) error {
-	if a == nil || a.db == nil {
-		return fmt.Errorf("answer: no database")
-	}
-	a.Body = strings.TrimSpace(a.Body)
-	now := time.Now().UTC().Format(time.RFC3339)
-	if a.CreatedAt == "" {
-		a.CreatedAt = now
-	}
-	a.UpdatedAt = now
-	return sqlc.New(a.db).UpsertAnswer(ctx, sqlc.UpsertAnswerParams{
-		QuestionID: a.QuestionID,
-		AuthorID:   a.AuthorID,
-		Body:       a.Body,
-		CreatedAt:  a.CreatedAt,
-		UpdatedAt:  a.UpdatedAt,
-	})
-}
-
-func GetAnswer(ctx context.Context, db *sql.DB, questionID string) (*Answer, error) {
-	r, err := sqlc.New(db).GetAnswer(ctx, questionID)
-	if err != nil {
-		return nil, err
-	}
-	return &Answer{
-		QuestionID: r.QuestionID,
-		AuthorID:   r.AuthorID,
-		AuthorName: r.AuthorName,
-		Body:       r.Body,
-		CreatedAt:  r.CreatedAt,
-		UpdatedAt:  r.UpdatedAt,
-		db:         db,
-	}, nil
-}

internal/store/memory.go

@@ -10,8 +10,6 @@ import (
 	"time"
 
 	"github.com/google/uuid"
-
-	"plumber/internal/pacific"
 )
 
 // Memory is an in-process Store for tests.
@@ -19,9 +17,6 @@ type Memory struct {
 	mu        sync.Mutex
 	users     map[string]*User          // id -> user
 	byName    map[string]string         // username -> id
-	questions map[string]*RankedQuestion // id -> question
-	answers   map[string]*Answer         // questionID -> answer
-	votes     map[string]map[string]int  // questionID -> userID -> value
 	posts     map[string]*Post          // id -> post
 	postVotes map[string]map[string]int // postID -> userID -> value
 }
@@ -31,9 +26,6 @@ func NewMemory() *Memory {
 	return &Memory{
 		users:     map[string]*User{},
 		byName:    map[string]string{},
-		questions: map[string]*RankedQuestion{},
-		answers:   map[string]*Answer{},
-		votes:     map[string]map[string]int{},
 		posts:     map[string]*Post{},
 		postVotes: map[string]map[string]int{},
 	}
@@ -210,172 +202,6 @@ func (m *Memory) SaveUserProfile(_ context.Context, u *User) error {
 	return nil
 }
 
-func (m *Memory) CreateQuestion(_ context.Context, q *RankedQuestion) error {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	q.Title = strings.TrimSpace(q.Title)
-	q.Body = strings.TrimSpace(q.Body)
-	q.City = strings.TrimSpace(q.City)
-	if q.ID == "" {
-		q.ID = uuid.NewString()
-	}
-	if q.HuntDate == "" {
-		q.HuntDate = pacific.Today()
-	}
-	if q.CreatedAt == "" {
-		q.CreatedAt = time.Now().UTC().Format(time.RFC3339)
-	}
-	author, ok := m.users[q.AuthorID]
-	if !ok {
-		return fmt.Errorf("unknown author")
-	}
-	cp := *q
-	cp.AuthorName = author.Name
-	cp.db = nil
-	m.questions[cp.ID] = &cp
-	*q = cp
-	return nil
-}
-
-func (m *Memory) annotate(q *RankedQuestion, viewerID string) RankedQuestion {
-	out := *q
-	score := 0
-	userVote := 0
-	if votes, ok := m.votes[q.ID]; ok {
-		for uid, v := range votes {
-			score += v
-			if uid == viewerID {
-				userVote = v
-			}
-		}
-	}
-	_, answered := m.answers[q.ID]
-	out.Score = score
-	out.Answered = answered
-	out.UserVote = userVote
-	out.db = nil
-	return out
-}
-
-func (m *Memory) GetQuestion(_ context.Context, id, viewerID string) (*RankedQuestion, error) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	q, ok := m.questions[id]
-	if !ok {
-		return nil, sql.ErrNoRows
-	}
-	out := m.annotate(q, viewerID)
-	return &out, nil
-}
-
-func (m *Memory) ListHunt(_ context.Context, huntDate, viewerID string) ([]RankedQuestion, error) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	out := make([]RankedQuestion, 0)
-	for _, q := range m.questions {
-		if q.HuntDate != huntDate || q.Hidden {
-			continue
-		}
-		out = append(out, m.annotate(q, viewerID))
-	}
-	sort.Slice(out, func(i, j int) bool {
-		if out[i].Score != out[j].Score {
-			return out[i].Score > out[j].Score
-		}
-		return out[i].CreatedAt < out[j].CreatedAt
-	})
-	if len(out) > HuntListLimit {
-		out = out[:HuntListLimit]
-	}
-	return out, nil
-}
-
-func (m *Memory) ListQuestionsByAuthor(_ context.Context, authorID string) ([]RankedQuestion, error) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	out := make([]RankedQuestion, 0)
-	for _, q := range m.questions {
-		if q.AuthorID != authorID || q.Hidden {
-			continue
-		}
-		out = append(out, m.annotate(q, ""))
-	}
-	sort.Slice(out, func(i, j int) bool { return out[i].CreatedAt > out[j].CreatedAt })
-	if len(out) > ProfileListLimit {
-		out = out[:ProfileListLimit]
-	}
-	return out, nil
-}
-
-func (m *Memory) ListQuestionsAnsweredBy(_ context.Context, adminID string) ([]RankedQuestion, error) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	out := make([]RankedQuestion, 0)
-	for qid, a := range m.answers {
-		if a.AuthorID != adminID {
-			continue
-		}
-		q, ok := m.questions[qid]
-		if !ok || q.Hidden {
-			continue
-		}
-		rq := m.annotate(q, "")
-		rq.Answered = true
-		out = append(out, rq)
-	}
-	sort.Slice(out, func(i, j int) bool { return out[i].CreatedAt > out[j].CreatedAt })
-	if len(out) > ProfileListLimit {
-		out = out[:ProfileListLimit]
-	}
-	return out, nil
-}
-
-func (m *Memory) HideQuestion(_ context.Context, id string) error {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	q, ok := m.questions[id]
-	if !ok {
-		return sql.ErrNoRows
-	}
-	q.Hidden = true
-	return nil
-}
-
-func (m *Memory) GetAnswer(_ context.Context, questionID string) (*Answer, error) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	a, ok := m.answers[questionID]
-	if !ok {
-		return nil, sql.ErrNoRows
-	}
-	cp := *a
-	if u, ok := m.users[a.AuthorID]; ok {
-		cp.AuthorName = u.Name
-	}
-	return &cp, nil
-}
-
-func (m *Memory) UpsertAnswer(_ context.Context, a *Answer) error {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	if _, ok := m.questions[a.QuestionID]; !ok {
-		return fmt.Errorf("unknown question")
-	}
-	a.Body = strings.TrimSpace(a.Body)
-	now := time.Now().UTC().Format(time.RFC3339)
-	if existing, ok := m.answers[a.QuestionID]; ok {
-		a.CreatedAt = existing.CreatedAt
-	} else if a.CreatedAt == "" {
-		a.CreatedAt = now
-	}
-	a.UpdatedAt = now
-	cp := *a
-	cp.db = nil
-	m.answers[a.QuestionID] = &cp
-	*a = cp
-	return nil
-}
-
 func (m *Memory) CreatePost(_ context.Context, post *Post) error {
 	if post == nil {
 		return fmt.Errorf("%w: post is nil", ErrInvalidPost)
@@ -637,24 +463,3 @@ func clonePostWithAuthor(post *Post, users map[string]*User) *Post {
 	}
 	return cp
 }
-
-func (m *Memory) Vote(_ context.Context, userID, questionID string, value int) error {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	if value != 1 && value != -1 && value != 0 {
-		return fmt.Errorf("invalid vote")
-	}
-	q, ok := m.questions[questionID]
-	if !ok || q.Hidden {
-		return ErrHiddenOrMissing
-	}
-	if m.votes[questionID] == nil {
-		m.votes[questionID] = map[string]int{}
-	}
-	if value == 0 {
-		delete(m.votes[questionID], userID)
-		return nil
-	}
-	m.votes[questionID][userID] = value
-	return nil
-}

internal/store/migrate.go

@@ -35,13 +35,11 @@ CREATE UNIQUE INDEX IF NOT EXISTS users_email_lower_uidx
 	return nil
 }
 
-// migratePosts creates the unified post model and snapshots legacy content.
-// Legacy tables remain in place until the application cutover is complete.
+// migratePosts creates the unified post model.
 func migratePosts(ctx context.Context, exec execContext) error {
 	steps := []struct {
 		name string
 		sql  string
-		args []any
 	}{
 		{name: "create posts", sql: `
 CREATE TABLE IF NOT EXISTS posts (
@@ -78,33 +76,9 @@ CREATE TABLE IF NOT EXISTS post_votes (
   value INTEGER NOT NULL CHECK (value IN (-1, 1)),
   PRIMARY KEY (user_id, post_id)
 )`},
-		{name: "copy questions", sql: `
-INSERT INTO posts (
-  id, parent_id, author_id, title, body, city, post_date, post_state, created_at, updated_at
-)
-SELECT
-  id, NULL, author_id, title, body, city, hunt_date,
-  CASE WHEN hidden = 0 THEN $1 ELSE $2 END,
-  created_at, created_at
-FROM questions
-ON CONFLICT (id) DO NOTHING`, args: []any{string(PostStateVisible), string(PostStateHidden)}},
-		{name: "copy answers", sql: `
-INSERT INTO posts (
-  id, parent_id, author_id, title, body, city, post_date, post_state, created_at, updated_at
-)
-SELECT
-  'answer:' || question_id, question_id, author_id, '', body, '', '',
-  $1, created_at, updated_at
-FROM answers
-ON CONFLICT (id) DO NOTHING`, args: []any{string(PostStateVisible)}},
-		{name: "copy votes", sql: `
-INSERT INTO post_votes (user_id, post_id, value)
-SELECT user_id, question_id, value
-FROM votes
-ON CONFLICT (user_id, post_id) DO NOTHING`},
 	}
 	for _, step := range steps {
-		if _, err := exec.ExecContext(ctx, step.sql, step.args...); err != nil {
+		if _, err := exec.ExecContext(ctx, step.sql); err != nil {
 			return fmt.Errorf("%s: %w", step.name, err)
 		}
 	}
@@ -129,6 +103,23 @@ CREATE INDEX IF NOT EXISTS idx_posts_author_created
 	return nil
 }
 
+func migrateDropLegacyPostTables(ctx context.Context, exec execContext) error {
+	steps := []struct {
+		name string
+		sql  string
+	}{
+		{"drop legacy answers", `DROP TABLE IF EXISTS answers`},
+		{"drop legacy votes", `DROP TABLE IF EXISTS votes`},
+		{"drop legacy questions", `DROP TABLE IF EXISTS questions`},
+	}
+	for _, step := range steps {
+		if _, err := exec.ExecContext(ctx, step.sql); err != nil {
+			return fmt.Errorf("%s: %w", step.name, err)
+		}
+	}
+	return nil
+}
+
 func migratePostDate(ctx context.Context, exec execContext) error {
 	steps := []struct {
 		name string
@@ -319,6 +310,7 @@ CREATE TABLE IF NOT EXISTS schema_migrations (
 		{"006_post_date", migratePostDate},
 		{"007_post_state", migratePostState},
 		{"008_post_author_index", migratePostAuthorIndex},
+		{"009_drop_legacy_post_tables", migrateDropLegacyPostTables},
 	}
 	for _, m := range migrations {
 		if applied[m.version] {

internal/store/migrate_posts_test.go

@@ -13,7 +13,7 @@ import (
 	"plumber/internal/store/sqlc"
 )
 
-func TestMigratePostsCopiesLegacyData(t *testing.T) {
+func TestPostMigrationsAndQueries(t *testing.T) {
 	rawURL := strings.TrimSpace(os.Getenv("TEST_DATABASE_URL"))
 	if rawURL == "" {
 		t.Skip("TEST_DATABASE_URL is not set")
@@ -47,47 +47,13 @@ func TestMigratePostsCopiesLegacyData(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	legacySchema := `
+	baseSchema := `
 CREATE TABLE users (
   id TEXT PRIMARY KEY,
   name TEXT NOT NULL,
   role TEXT NOT NULL
-);
-CREATE TABLE questions (
-  id TEXT PRIMARY KEY,
-  author_id TEXT NOT NULL REFERENCES users(id),
-  title TEXT NOT NULL,
-  body TEXT NOT NULL,
-  city TEXT NOT NULL DEFAULT '',
-  hunt_date TEXT NOT NULL,
-  hidden INTEGER NOT NULL DEFAULT 0,
-  created_at TEXT NOT NULL
-);
-CREATE TABLE answers (
-  question_id TEXT PRIMARY KEY REFERENCES questions(id) ON DELETE CASCADE,
-  author_id TEXT NOT NULL REFERENCES users(id),
-  body TEXT NOT NULL,
-  created_at TEXT NOT NULL,
-  updated_at TEXT NOT NULL
-);
-CREATE TABLE votes (
-  user_id TEXT NOT NULL REFERENCES users(id),
-  question_id TEXT NOT NULL REFERENCES questions(id) ON DELETE CASCADE,
-  value INTEGER NOT NULL CHECK (value IN (-1, 1)),
-  PRIMARY KEY (user_id, question_id)
 );`
-	if err := applySchema(ctx, conn, legacySchema); err != nil {
-		t.Fatal(err)
-	}
-	if _, err := conn.ExecContext(ctx, `
-INSERT INTO users (id, name, role)
-VALUES ('homeowner', 'Home Owner', 'user'), ('plumber', 'The Plumber', 'admin');
-INSERT INTO questions (id, author_id, title, body, city, hunt_date, hidden, created_at)
-VALUES ('question-1', 'homeowner', 'Leaky sink', 'It drips.', 'Oakland', '2026-08-26', 0, '2026-08-26T08:00:00Z');
-INSERT INTO answers (question_id, author_id, body, created_at, updated_at)
-VALUES ('question-1', 'plumber', 'Replace the cartridge.', '2026-08-26T09:00:00Z', '2026-08-26T09:05:00Z');
-INSERT INTO votes (user_id, question_id, value)
-VALUES ('homeowner', 'question-1', 1);`); err != nil {
+	if err := applySchema(ctx, conn, baseSchema); err != nil {
 		t.Fatal(err)
 	}
 
@@ -103,28 +69,40 @@ VALUES ('homeowner', 'question-1', 1);`); err != nil {
 	if err := migratePostVoteIndex(ctx, conn); err != nil {
 		t.Fatalf("post vote index migration is not idempotent: %v", err)
 	}
+	if err := migratePostAuthorIndex(ctx, conn); err != nil {
+		t.Fatal(err)
+	}
+	if err := migratePostAuthorIndex(ctx, conn); err != nil {
+		t.Fatalf("post author index migration is not idempotent: %v", err)
+	}
+	if _, err := conn.ExecContext(ctx, `
+INSERT INTO users (id, name, role)
+VALUES ('homeowner', 'Home Owner', 'user'), ('plumber', 'The Plumber', 'admin');
+INSERT INTO posts (
+  id, parent_id, author_id, title, body, city, post_date, post_state, created_at, updated_at
+) VALUES
+  (
+    'root-1', NULL, 'homeowner', 'Leaky sink', 'It drips.', 'Oakland',
+    '2026-08-26', 'visible', '2026-08-26T08:00:00Z', '2026-08-26T08:00:00Z'
+  ),
+  (
+    'reply-1', 'root-1', 'plumber', '', 'Replace the cartridge.', '', '',
+    'visible', '2026-08-26T09:00:00Z', '2026-08-26T09:05:00Z'
+  );
+INSERT INTO post_votes (user_id, post_id, value)
+VALUES ('homeowner', 'root-1', 1);`); err != nil {
+		t.Fatal(err)
+	}
 
-	var postCount, voteCount, legacyQuestionCount, legacyAnswerCount int
+	var postCount, voteCount int
 	if err := conn.QueryRowContext(ctx, "SELECT count(*) FROM posts").Scan(&postCount); err != nil {
 		t.Fatal(err)
 	}
 	if err := conn.QueryRowContext(ctx, "SELECT count(*) FROM post_votes").Scan(&voteCount); err != nil {
 		t.Fatal(err)
 	}
-	if err := conn.QueryRowContext(ctx, "SELECT count(*) FROM questions").Scan(&legacyQuestionCount); err != nil {
-		t.Fatal(err)
-	}
-	if err := conn.QueryRowContext(ctx, "SELECT count(*) FROM answers").Scan(&legacyAnswerCount); err != nil {
-		t.Fatal(err)
-	}
-	if postCount != 2 || voteCount != 1 || legacyQuestionCount != 1 || legacyAnswerCount != 1 {
-		t.Fatalf(
-			"counts posts=%d votes=%d legacy questions=%d answers=%d",
-			postCount,
-			voteCount,
-			legacyQuestionCount,
-			legacyAnswerCount,
-		)
+	if postCount != 2 || voteCount != 1 {
+		t.Fatalf("counts posts=%d votes=%d", postCount, voteCount)
 	}
 	var postVoteIndexCount int
 	if err := conn.QueryRowContext(ctx, `
@@ -152,7 +130,7 @@ WHERE schemaname = current_schema()
 	}
 	if _, err := conn.ExecContext(ctx, `
 INSERT INTO post_votes (user_id, post_id, value)
-VALUES ('homeowner', 'question-1', -1)`); err == nil {
+VALUES ('homeowner', 'root-1', -1)`); err == nil {
 		t.Fatal("duplicate user/post vote unexpectedly succeeded")
 	}
 
@@ -161,7 +139,7 @@ VALUES ('homeowner', 'question-1', -1)`); err == nil {
 	if err := conn.QueryRowContext(ctx, `
 SELECT parent_id, author_id, title, body, city, post_date, post_state, created_at, updated_at
 FROM posts
-WHERE id = 'question-1'`).Scan(
+WHERE id = 'root-1'`).Scan(
 		&rootParent,
 		&rootAuthor,
 		&title,
@@ -190,7 +168,7 @@ WHERE id = 'question-1'`).Scan(
 	if err := conn.QueryRowContext(ctx, `
 SELECT parent_id, author_id, body, post_state, created_at, updated_at
 FROM posts
-WHERE id = 'answer:question-1'`).Scan(
+WHERE id = 'reply-1'`).Scan(
 		&replyParent,
 		&replyAuthor,
 		&replyBody,
@@ -200,7 +178,7 @@ WHERE id = 'answer:question-1'`).Scan(
 	); err != nil {
 		t.Fatal(err)
 	}
-	if replyParent != "question-1" ||
+	if replyParent != "root-1" ||
 		replyAuthor != "plumber" ||
 		replyBody != "Replace the cartridge." ||
 		replyState != "visible" ||
@@ -212,7 +190,7 @@ WHERE id = 'answer:question-1'`).Scan(
 	var voteValue int
 	if err := conn.QueryRowContext(ctx, `
 SELECT value FROM post_votes
-WHERE user_id = 'homeowner' AND post_id = 'question-1'`).Scan(&voteValue); err != nil {
+WHERE user_id = 'homeowner' AND post_id = 'root-1'`).Scan(&voteValue); err != nil {
 		t.Fatal(err)
 	}
 	if voteValue != 1 {
@@ -223,7 +201,7 @@ WHERE user_id = 'homeowner' AND post_id = 'question-1'`).Scan(&voteValue); err !
 INSERT INTO posts (
   id, parent_id, author_id, title, body, city, post_date, post_state, created_at, updated_at
 ) VALUES (
-  'invalid-reply', 'question-1', 'homeowner', 'Replies cannot have titles', 'Body', '', '',
+  'invalid-reply', 'root-1', 'homeowner', 'Replies cannot have titles', 'Body', '', '',
   'visible', 'now', 'now'
 )`); err == nil {
 		t.Fatal("reply with root-only title unexpectedly succeeded")
@@ -232,7 +210,7 @@ INSERT INTO posts (
 	queries := sqlc.New(conn)
 	if err := queries.CreatePost(ctx, sqlc.CreatePostParams{
 		ID:        "follow-up",
-		ParentID:  sql.NullString{String: "answer:question-1", Valid: true},
+		ParentID:  sql.NullString{String: "reply-1", Valid: true},
 		AuthorID:  "homeowner",
 		Body:      "It is still dripping.",
 		PostState: string(PostStateVisible),
@@ -241,17 +219,17 @@ INSERT INTO posts (
 	}); err != nil {
 		t.Fatal(err)
 	}
-	thread, err := queries.ListPostThread(ctx, "question-1")
+	thread, err := queries.ListPostThread(ctx, "root-1")
 	if err != nil {
 		t.Fatal(err)
 	}
 	if len(thread) != 3 ||
-		thread[0].ID != "question-1" ||
-		thread[1].ID != "answer:question-1" ||
+		thread[0].ID != "root-1" ||
+		thread[1].ID != "reply-1" ||
 		thread[2].ID != "follow-up" {
 		t.Fatalf("recursive thread = %+v", thread)
 	}
-	nonRootThread, err := queries.ListPostThread(ctx, "answer:question-1")
+	nonRootThread, err := queries.ListPostThread(ctx, "reply-1")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -267,7 +245,7 @@ INSERT INTO posts (
 	}
 	if n, err := queries.UpsertPostVoteOnVisibleRoot(ctx, sqlc.UpsertPostVoteOnVisibleRootParams{
 		UserID:      "plumber",
-		PostID:      "question-1",
+		PostID:      "root-1",
 		Value:       1,
 		HiddenState: string(PostStateHidden),
 	}); err != nil || n != 1 {
@@ -290,7 +268,7 @@ INSERT INTO posts (
 	}
 	summary, err := queries.GetRootPostVoteSummary(ctx, sqlc.GetRootPostVoteSummaryParams{
 		ViewerID: "plumber",
-		RootID:   "question-1",
+		RootID:   "root-1",
 	})
 	if err != nil || summary.Score != 2 || summary.UserVote != 1 {
 		t.Fatalf("root vote summary = %+v, %v", summary, err)
@@ -300,7 +278,7 @@ INSERT INTO posts (
 		HiddenState: string(PostStateHidden),
 		RowLimit:    50,
 	})
-	if err != nil || len(byAuthor) != 1 || byAuthor[0].ID != "question-1" {
+	if err != nil || len(byAuthor) != 1 || byAuthor[0].ID != "root-1" {
 		t.Fatalf("roots by author = %+v, %v", byAuthor, err)
 	}
 	answeredBy, err := queries.ListRootPostsAnsweredBy(ctx, sqlc.ListRootPostsAnsweredByParams{
@@ -308,14 +286,14 @@ INSERT INTO posts (
 		AdminID:     "plumber",
 		RowLimit:    50,
 	})
-	if err != nil || len(answeredBy) != 1 || answeredBy[0].ID != "question-1" {
+	if err != nil || len(answeredBy) != 1 || answeredBy[0].ID != "root-1" {
 		t.Fatalf("roots answered by admin = %+v, %v", answeredBy, err)
 	}
 	for _, state := range []PostState{PostStateLocked, PostStateVisible} {
 		n, err := queries.UpdateRootPostState(ctx, sqlc.UpdateRootPostStateParams{
 			PostState: string(state),
 			UpdatedAt: "2026-08-26T10:10:00Z",
-			ID:        "question-1",
+			ID:        "root-1",
 		})
 		if err != nil || n != 1 {
 			t.Fatalf("set root state %q rows=%d error=%v", state, n, err)
@@ -358,7 +336,7 @@ WHERE schemaname = current_schema()
 	}
 	var migratedPostDate string
 	if err := conn.QueryRowContext(ctx, `
-SELECT post_date FROM posts WHERE id = 'question-1'`).Scan(&migratedPostDate); err != nil {
+SELECT post_date FROM posts WHERE id = 'root-1'`).Scan(&migratedPostDate); err != nil {
 		t.Fatal(err)
 	}
 	if postDateColumnCount != 1 ||
@@ -380,7 +358,7 @@ SELECT post_date FROM posts WHERE id = 'question-1'`).Scan(&migratedPostDate); e
 DROP INDEX idx_posts_root_date;
 ALTER TABLE posts DROP CONSTRAINT posts_shape_check;
 ALTER TABLE posts ADD COLUMN hidden INTEGER NOT NULL DEFAULT 0;
-UPDATE posts SET hidden = CASE WHEN id = 'question-1' THEN 1 ELSE 0 END;
+UPDATE posts SET hidden = CASE WHEN id = 'root-1' THEN 1 ELSE 0 END;
 ALTER TABLE posts DROP COLUMN post_state;
 ALTER TABLE posts ADD CONSTRAINT posts_check CHECK (
   (parent_id IS NULL AND title <> '' AND post_date <> '')
@@ -411,11 +389,11 @@ WHERE table_schema = current_schema()
 	}
 	var hiddenState, replyStateAfterMigration string
 	if err := conn.QueryRowContext(ctx, `
-SELECT post_state FROM posts WHERE id = 'question-1'`).Scan(&hiddenState); err != nil {
+SELECT post_state FROM posts WHERE id = 'root-1'`).Scan(&hiddenState); err != nil {
 		t.Fatal(err)
 	}
 	if err := conn.QueryRowContext(ctx, `
-SELECT post_state FROM posts WHERE id = 'answer:question-1'`).Scan(&replyStateAfterMigration); err != nil {
+SELECT post_state FROM posts WHERE id = 'reply-1'`).Scan(&replyStateAfterMigration); err != nil {
 		t.Fatal(err)
 	}
 	var postStateDataType string
@@ -453,15 +431,37 @@ WHERE schemaname = current_schema()
 			stateIndexCount,
 		)
 	}
+
+	if _, err := conn.ExecContext(ctx, `
+CREATE TABLE questions (id TEXT PRIMARY KEY);
+CREATE TABLE votes (id TEXT PRIMARY KEY);
+CREATE TABLE answers (id TEXT PRIMARY KEY);`); err != nil {
+		t.Fatal(err)
+	}
+	if err := migrateDropLegacyPostTables(ctx, conn); err != nil {
+		t.Fatal(err)
+	}
+	if err := migrateDropLegacyPostTables(ctx, conn); err != nil {
+		t.Fatalf("legacy table cleanup is not idempotent: %v", err)
+	}
+	for _, table := range []string{"questions", "votes", "answers"} {
+		var relation sql.NullString
+		if err := conn.QueryRowContext(ctx, "SELECT to_regclass($1)", table).Scan(&relation); err != nil {
+			t.Fatal(err)
+		}
+		if relation.Valid {
+			t.Fatalf("legacy table %q still exists", table)
+		}
+	}
 }
 
 func TestMigratePostsReportsStep(t *testing.T) {
 	t.Parallel()
 
-	exec := &failingMigrationExec{failAt: 6}
+	exec := &failingMigrationExec{failAt: 5}
 	err := migratePosts(context.Background(), exec)
-	if err == nil || !strings.Contains(err.Error(), "copy questions") {
-		t.Fatalf("error = %v, want copy questions context", err)
+	if err == nil || !strings.Contains(err.Error(), "create post votes") {
+		t.Fatalf("error = %v, want create post votes context", err)
 	}
 }
 

internal/store/postgres_store.go

@@ -109,41 +109,6 @@ func (p *Postgres) SaveUserProfile(ctx context.Context, u *User) error {
 	return u.SaveProfile(ctx)
 }
 
-func (p *Postgres) CreateQuestion(ctx context.Context, q *RankedQuestion) error {
-	q.db = p.db
-	return q.Create(ctx)
-}
-
-func (p *Postgres) GetQuestion(ctx context.Context, id, viewerID string) (*RankedQuestion, error) {
-	return GetQuestion(ctx, p.db, id, viewerID)
-}
-
-func (p *Postgres) ListHunt(ctx context.Context, huntDate, viewerID string) ([]RankedQuestion, error) {
-	return ListHunt(ctx, p.db, huntDate, viewerID)
-}
-
-func (p *Postgres) ListQuestionsByAuthor(ctx context.Context, authorID string) ([]RankedQuestion, error) {
-	return ListQuestionsByAuthor(ctx, p.db, authorID)
-}
-
-func (p *Postgres) ListQuestionsAnsweredBy(ctx context.Context, adminID string) ([]RankedQuestion, error) {
-	return ListQuestionsAnsweredBy(ctx, p.db, adminID)
-}
-
-func (p *Postgres) HideQuestion(ctx context.Context, id string) error {
-	q := &RankedQuestion{ID: id, db: p.db}
-	return q.Hide(ctx)
-}
-
-func (p *Postgres) GetAnswer(ctx context.Context, questionID string) (*Answer, error) {
-	return GetAnswer(ctx, p.db, questionID)
-}
-
-func (p *Postgres) UpsertAnswer(ctx context.Context, a *Answer) error {
-	a.db = p.db
-	return a.Upsert(ctx)
-}
-
 func (p *Postgres) CreatePost(ctx context.Context, post *Post) error {
 	post.db = p.db
 	return post.Create(ctx)
@@ -185,7 +150,3 @@ func (p *Postgres) SetRootPostState(ctx context.Context, id string, state PostSt
 func (p *Postgres) VotePost(ctx context.Context, userID, postID string, value int) error {
 	return SetPostVote(ctx, p.db, userID, postID, value)
 }
-
-func (p *Postgres) Vote(ctx context.Context, userID, questionID string, value int) error {
-	return Vote(ctx, p.db, userID, questionID, value)
-}

internal/store/question.go

@@ -1,156 +0,0 @@
-package store
-
-import (
-	"context"
-	"database/sql"
-	"fmt"
-	"strings"
-	"time"
-
-	"github.com/google/uuid"
-
-	"plumber/internal/pacific"
-	"plumber/internal/store/sqlc"
-)
-
-// RankedQuestion is a question row with score / vote annotations for lists.
-type RankedQuestion struct {
-	ID         string
-	AuthorID   string
-	AuthorName string
-	Title      string
-	Body       string
-	City       string
-	HuntDate   string
-	Hidden     bool
-	CreatedAt  string
-	Score      int
-	Answered   bool
-	UserVote   int
-	db         *sql.DB
-}
-
-// NewQuestion returns a question bound to db (not yet inserted).
-func NewQuestion(db *sql.DB) *RankedQuestion {
-	return &RankedQuestion{db: db}
-}
-
-// Create inserts the question. Sets ID, HuntDate, and CreatedAt when empty.
-func (q *RankedQuestion) Create(ctx context.Context) error {
-	if q == nil || q.db == nil {
-		return fmt.Errorf("question: no database")
-	}
-	q.Title = strings.TrimSpace(q.Title)
-	q.Body = strings.TrimSpace(q.Body)
-	q.City = strings.TrimSpace(q.City)
-	if q.ID == "" {
-		q.ID = uuid.NewString()
-	}
-	if q.HuntDate == "" {
-		q.HuntDate = pacific.Today()
-	}
-	if q.CreatedAt == "" {
-		q.CreatedAt = time.Now().UTC().Format(time.RFC3339)
-	}
-	return sqlc.New(q.db).CreateQuestion(ctx, sqlc.CreateQuestionParams{
-		ID:        q.ID,
-		AuthorID:  q.AuthorID,
-		Title:     q.Title,
-		Body:      q.Body,
-		City:      q.City,
-		HuntDate:  q.HuntDate,
-		CreatedAt: q.CreatedAt,
-	})
-}
-
-// Hide marks the question hidden.
-func (q *RankedQuestion) Hide(ctx context.Context) error {
-	if q == nil || q.db == nil {
-		return fmt.Errorf("question: no database")
-	}
-	if err := sqlc.New(q.db).HideQuestion(ctx, q.ID); err != nil {
-		return err
-	}
-	q.Hidden = true
-	return nil
-}
-
-func rankedFrom(
-	db *sql.DB,
-	id, authorID, authorName, title, body, city, huntDate, createdAt string,
-	hidden int32, score, answered, userVote int64,
-) RankedQuestion {
-	return RankedQuestion{
-		ID:         id,
-		AuthorID:   authorID,
-		AuthorName: authorName,
-		Title:      title,
-		Body:       body,
-		City:       city,
-		HuntDate:   huntDate,
-		Hidden:     hidden != 0,
-		CreatedAt:  createdAt,
-		Score:      int(score),
-		Answered:   answered != 0,
-		UserVote:   int(userVote),
-		db:         db,
-	}
-}
-
-func ListHunt(ctx context.Context, db *sql.DB, huntDate, viewerID string) ([]RankedQuestion, error) {
-	rows, err := sqlc.New(db).ListHunt(ctx, sqlc.ListHuntParams{
-		ViewerID: viewerID,
-		HuntDate: huntDate,
-		RowLimit: HuntListLimit,
-	})
-	if err != nil {
-		return nil, err
-	}
-	out := make([]RankedQuestion, 0, len(rows))
-	for _, r := range rows {
-		out = append(out, rankedFrom(db, r.ID, r.AuthorID, r.AuthorName, r.Title, r.Body, r.City, r.HuntDate, r.CreatedAt, r.Hidden, r.Score, r.Answered, r.UserVote))
-	}
-	return out, nil
-}
-
-func GetQuestion(ctx context.Context, db *sql.DB, id, viewerID string) (*RankedQuestion, error) {
-	r, err := sqlc.New(db).GetQuestion(ctx, sqlc.GetQuestionParams{
-		ViewerID: viewerID,
-		ID:       id,
-	})
-	if err != nil {
-		return nil, err
-	}
-	q := rankedFrom(db, r.ID, r.AuthorID, r.AuthorName, r.Title, r.Body, r.City, r.HuntDate, r.CreatedAt, r.Hidden, r.Score, r.Answered, r.UserVote)
-	return &q, nil
-}
-
-func ListQuestionsByAuthor(ctx context.Context, db *sql.DB, authorID string) ([]RankedQuestion, error) {
-	rows, err := sqlc.New(db).ListQuestionsByAuthor(ctx, sqlc.ListQuestionsByAuthorParams{
-		AuthorID: authorID,
-		RowLimit: ProfileListLimit,
-	})
-	if err != nil {
-		return nil, err
-	}
-	out := make([]RankedQuestion, 0, len(rows))
-	for _, r := range rows {
-		out = append(out, rankedFrom(db, r.ID, r.AuthorID, r.AuthorName, r.Title, r.Body, r.City, r.HuntDate, r.CreatedAt, r.Hidden, r.Score, r.Answered, r.UserVote))
-	}
-	return out, nil
-}
-
-func ListQuestionsAnsweredBy(ctx context.Context, db *sql.DB, adminID string) ([]RankedQuestion, error) {
-	rows, err := sqlc.New(db).ListQuestionsAnsweredBy(ctx, sqlc.ListQuestionsAnsweredByParams{
-		AdminID:  adminID,
-		RowLimit: ProfileListLimit,
-	})
-	if err != nil {
-		return nil, err
-	}
-	out := make([]RankedQuestion, 0, len(rows))
-	for _, r := range rows {
-		out = append(out, rankedFrom(db, r.ID, r.AuthorID, r.AuthorName, r.Title, r.Body, r.City, r.HuntDate, r.CreatedAt, r.Hidden, r.Score, r.Answered, r.UserVote))
-	}
-	return out, nil
-}

internal/store/sqlc/answers.sql.go

@@ -1,66 +0,0 @@
-// Code generated by sqlc. DO NOT EDIT.
-// versions:
-//   sqlc v1.31.1
-// source: answers.sql
-
-package sqlc
-
-import (
-	"context"
-)
-
-const getAnswer = `-- name: GetAnswer :one
-SELECT a.question_id, a.author_id, u.name AS author_name, a.body, a.created_at, a.updated_at
-FROM answers a
-JOIN users u ON u.id = a.author_id
-WHERE a.question_id = $1
-`
-
-type GetAnswerRow struct {
-	QuestionID string
-	AuthorID   string
-	AuthorName string
-	Body       string
-	CreatedAt  string
-	UpdatedAt  string
-}
-
-func (q *Queries) GetAnswer(ctx context.Context, questionID string) (GetAnswerRow, error) {
-	row := q.db.QueryRowContext(ctx, getAnswer, questionID)
-	var i GetAnswerRow
-	err := row.Scan(
-		&i.QuestionID,
-		&i.AuthorID,
-		&i.AuthorName,
-		&i.Body,
-		&i.CreatedAt,
-		&i.UpdatedAt,
-	)
-	return i, err
-}
-
-const upsertAnswer = `-- name: UpsertAnswer :exec
-INSERT INTO answers (question_id, author_id, body, created_at, updated_at)
-VALUES ($1, $2, $3, $4, $5)
-ON CONFLICT (question_id) DO UPDATE
-SET body = excluded.body, author_id = excluded.author_id, updated_at = excluded.updated_at
-`
-
-type UpsertAnswerParams struct {
-	QuestionID string
-	AuthorID   string
-	Body       string
-	CreatedAt  string
-	UpdatedAt  string
-}
-
-func (q *Queries) UpsertAnswer(ctx context.Context, arg UpsertAnswerParams) error {
-	_, err := q.db.ExecContext(ctx, upsertAnswer,
-		arg.QuestionID,
-		arg.AuthorID,
-		arg.Body,
-		arg.CreatedAt,
-		arg.UpdatedAt,
-	)
-	return err
-}

internal/store/sqlc/models.go

@@ -9,14 +9,6 @@ import (
 	"time"
 )
 
-type Answer struct {
-	QuestionID string
-	AuthorID   string
-	Body       string
-	CreatedAt  string
-	UpdatedAt  string
-}
-
 type Post struct {
 	ID        string
 	ParentID  sql.NullString
@@ -36,17 +28,6 @@ type PostVote struct {
 	Value  int32
 }
 
-type Question struct {
-	ID        string
-	AuthorID  string
-	Title     string
-	Body      string
-	City      string
-	HuntDate  string
-	Hidden    int32
-	CreatedAt string
-}
-
 type Session struct {
 	Token  string
 	Data   []byte
@@ -64,9 +45,3 @@ type User struct {
 	State        string
 	CreatedAt    string
 }
-
-type Vote struct {
-	UserID     string
-	QuestionID string
-	Value      int32
-}

internal/store/sqlc/questions.sql.go

@@ -1,316 +0,0 @@
-// Code generated by sqlc. DO NOT EDIT.
-// versions:
-//   sqlc v1.31.1
-// source: questions.sql
-
-package sqlc
-
-import (
-	"context"
-)
-
-const createQuestion = `-- name: CreateQuestion :exec
-INSERT INTO questions (id, author_id, title, body, city, hunt_date, hidden, created_at)
-VALUES ($1, $2, $3, $4, $5, $6, 0, $7)
-`
-
-type CreateQuestionParams struct {
-	ID        string
-	AuthorID  string
-	Title     string
-	Body      string
-	City      string
-	HuntDate  string
-	CreatedAt string
-}
-
-func (q *Queries) CreateQuestion(ctx context.Context, arg CreateQuestionParams) error {
-	_, err := q.db.ExecContext(ctx, createQuestion,
-		arg.ID,
-		arg.AuthorID,
-		arg.Title,
-		arg.Body,
-		arg.City,
-		arg.HuntDate,
-		arg.CreatedAt,
-	)
-	return err
-}
-
-const getQuestion = `-- name: GetQuestion :one
-SELECT q.id, q.author_id, u.name AS author_name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at,
-       COALESCE((SELECT SUM(votes.value) FROM votes WHERE votes.question_id = q.id), 0)::bigint AS score,
-       CASE WHEN a.question_id IS NULL THEN 0 ELSE 1 END::bigint AS answered,
-       COALESCE((
-         SELECT votes.value FROM votes
-         WHERE votes.user_id = $1 AND votes.question_id = q.id
-       ), 0)::bigint AS user_vote
-FROM questions q
-JOIN users u ON u.id = q.author_id
-LEFT JOIN answers a ON a.question_id = q.id
-WHERE q.id = $2
-`
-
-type GetQuestionParams struct {
-	ViewerID string
-	ID       string
-}
-
-type GetQuestionRow struct {
-	ID         string
-	AuthorID   string
-	AuthorName string
-	Title      string
-	Body       string
-	City       string
-	HuntDate   string
-	Hidden     int32
-	CreatedAt  string
-	Score      int64
-	Answered   int64
-	UserVote   int64
-}
-
-func (q *Queries) GetQuestion(ctx context.Context, arg GetQuestionParams) (GetQuestionRow, error) {
-	row := q.db.QueryRowContext(ctx, getQuestion, arg.ViewerID, arg.ID)
-	var i GetQuestionRow
-	err := row.Scan(
-		&i.ID,
-		&i.AuthorID,
-		&i.AuthorName,
-		&i.Title,
-		&i.Body,
-		&i.City,
-		&i.HuntDate,
-		&i.Hidden,
-		&i.CreatedAt,
-		&i.Score,
-		&i.Answered,
-		&i.UserVote,
-	)
-	return i, err
-}
-
-const hideQuestion = `-- name: HideQuestion :exec
-UPDATE questions
-SET hidden = 1
-WHERE id = $1
-`
-
-func (q *Queries) HideQuestion(ctx context.Context, id string) error {
-	_, err := q.db.ExecContext(ctx, hideQuestion, id)
-	return err
-}
-
-const listHunt = `-- name: ListHunt :many
-SELECT q.id, q.author_id, u.name AS author_name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at,
-       COALESCE(SUM(v.value), 0)::bigint AS score,
-       CASE WHEN a.question_id IS NULL THEN 0 ELSE 1 END::bigint AS answered,
-       COALESCE((
-         SELECT votes.value FROM votes
-         WHERE votes.user_id = $1 AND votes.question_id = q.id
-       ), 0)::bigint AS user_vote
-FROM questions q
-JOIN users u ON u.id = q.author_id
-LEFT JOIN votes v ON v.question_id = q.id
-LEFT JOIN answers a ON a.question_id = q.id
-WHERE q.hunt_date = $2 AND q.hidden = 0
-GROUP BY q.id, q.author_id, u.name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at, a.question_id
-ORDER BY score DESC, q.created_at ASC
-LIMIT $3
-`
-
-type ListHuntParams struct {
-	ViewerID string
-	HuntDate string
-	RowLimit int32
-}
-
-type ListHuntRow struct {
-	ID         string
-	AuthorID   string
-	AuthorName string
-	Title      string
-	Body       string
-	City       string
-	HuntDate   string
-	Hidden     int32
-	CreatedAt  string
-	Score      int64
-	Answered   int64
-	UserVote   int64
-}
-
-func (q *Queries) ListHunt(ctx context.Context, arg ListHuntParams) ([]ListHuntRow, error) {
-	rows, err := q.db.QueryContext(ctx, listHunt, arg.ViewerID, arg.HuntDate, arg.RowLimit)
-	if err != nil {
-		return nil, err
-	}
-	defer rows.Close()
-	items := []ListHuntRow{}
-	for rows.Next() {
-		var i ListHuntRow
-		if err := rows.Scan(
-			&i.ID,
-			&i.AuthorID,
-			&i.AuthorName,
-			&i.Title,
-			&i.Body,
-			&i.City,
-			&i.HuntDate,
-			&i.Hidden,
-			&i.CreatedAt,
-			&i.Score,
-			&i.Answered,
-			&i.UserVote,
-		); err != nil {
-			return nil, err
-		}
-		items = append(items, i)
-	}
-	if err := rows.Close(); err != nil {
-		return nil, err
-	}
-	if err := rows.Err(); err != nil {
-		return nil, err
-	}
-	return items, nil
-}
-
-const listQuestionsAnsweredBy = `-- name: ListQuestionsAnsweredBy :many
-SELECT q.id, q.author_id, u.name AS author_name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at,
-       COALESCE((SELECT SUM(votes.value) FROM votes WHERE votes.question_id = q.id), 0)::bigint AS score,
-       1::bigint AS answered,
-       0::bigint AS user_vote
-FROM answers ans
-JOIN questions q ON q.id = ans.question_id
-JOIN users u ON u.id = q.author_id
-WHERE ans.author_id = $1 AND q.hidden = 0
-ORDER BY ans.updated_at DESC
-LIMIT $2
-`
-
-type ListQuestionsAnsweredByParams struct {
-	AdminID  string
-	RowLimit int32
-}
-
-type ListQuestionsAnsweredByRow struct {
-	ID         string
-	AuthorID   string
-	AuthorName string
-	Title      string
-	Body       string
-	City       string
-	HuntDate   string
-	Hidden     int32
-	CreatedAt  string
-	Score      int64
-	Answered   int64
-	UserVote   int64
-}
-
-func (q *Queries) ListQuestionsAnsweredBy(ctx context.Context, arg ListQuestionsAnsweredByParams) ([]ListQuestionsAnsweredByRow, error) {
-	rows, err := q.db.QueryContext(ctx, listQuestionsAnsweredBy, arg.AdminID, arg.RowLimit)
-	if err != nil {
-		return nil, err
-	}
-	defer rows.Close()
-	items := []ListQuestionsAnsweredByRow{}
-	for rows.Next() {
-		var i ListQuestionsAnsweredByRow
-		if err := rows.Scan(
-			&i.ID,
-			&i.AuthorID,
-			&i.AuthorName,
-			&i.Title,
-			&i.Body,
-			&i.City,
-			&i.HuntDate,
-			&i.Hidden,
-			&i.CreatedAt,
-			&i.Score,
-			&i.Answered,
-			&i.UserVote,
-		); err != nil {
-			return nil, err
-		}
-		items = append(items, i)
-	}
-	if err := rows.Close(); err != nil {
-		return nil, err
-	}
-	if err := rows.Err(); err != nil {
-		return nil, err
-	}
-	return items, nil
-}
-
-const listQuestionsByAuthor = `-- name: ListQuestionsByAuthor :many
-SELECT q.id, q.author_id, u.name AS author_name, q.title, q.body, q.city, q.hunt_date, q.hidden, q.created_at,
-       COALESCE((SELECT SUM(votes.value) FROM votes WHERE votes.question_id = q.id), 0)::bigint AS score,
-       CASE WHEN a.question_id IS NULL THEN 0 ELSE 1 END::bigint AS answered,
-       0::bigint AS user_vote
-FROM questions q
-JOIN users u ON u.id = q.author_id
-LEFT JOIN answers a ON a.question_id = q.id
-WHERE q.author_id = $1 AND q.hidden = 0
-ORDER BY q.created_at DESC
-LIMIT $2
-`
-
-type ListQuestionsByAuthorParams struct {
-	AuthorID string
-	RowLimit int32
-}
-
-type ListQuestionsByAuthorRow struct {
-	ID         string
-	AuthorID   string
-	AuthorName string
-	Title      string
-	Body       string
-	City       string
-	HuntDate   string
-	Hidden     int32
-	CreatedAt  string
-	Score      int64
-	Answered   int64
-	UserVote   int64
-}
-
-func (q *Queries) ListQuestionsByAuthor(ctx context.Context, arg ListQuestionsByAuthorParams) ([]ListQuestionsByAuthorRow, error) {
-	rows, err := q.db.QueryContext(ctx, listQuestionsByAuthor, arg.AuthorID, arg.RowLimit)
-	if err != nil {
-		return nil, err
-	}
-	defer rows.Close()
-	items := []ListQuestionsByAuthorRow{}
-	for rows.Next() {
-		var i ListQuestionsByAuthorRow
-		if err := rows.Scan(
-			&i.ID,
-			&i.AuthorID,
-			&i.AuthorName,
-			&i.Title,
-			&i.Body,
-			&i.City,
-			&i.HuntDate,
-			&i.Hidden,
-			&i.CreatedAt,
-			&i.Score,
-			&i.Answered,
-			&i.UserVote,
-		); err != nil {
-			return nil, err
-		}
-		items = append(items, i)
-	}
-	if err := rows.Close(); err != nil {
-		return nil, err
-	}
-	if err := rows.Err(); err != nil {
-		return nil, err
-	}
-	return items, nil
-}

internal/store/sqlc/votes.sql.go

@@ -1,82 +0,0 @@
-// Code generated by sqlc. DO NOT EDIT.
-// versions:
-//   sqlc v1.31.1
-// source: votes.sql
-
-package sqlc
-
-import (
-	"context"
-)
-
-const deleteVote = `-- name: DeleteVote :exec
-DELETE FROM votes
-WHERE user_id = $1 AND question_id = $2
-`
-
-type DeleteVoteParams struct {
-	UserID     string
-	QuestionID string
-}
-
-func (q *Queries) DeleteVote(ctx context.Context, arg DeleteVoteParams) error {
-	_, err := q.db.ExecContext(ctx, deleteVote, arg.UserID, arg.QuestionID)
-	return err
-}
-
-const getVote = `-- name: GetVote :one
-SELECT value
-FROM votes
-WHERE user_id = $1 AND question_id = $2
-`
-
-type GetVoteParams struct {
-	UserID     string
-	QuestionID string
-}
-
-func (q *Queries) GetVote(ctx context.Context, arg GetVoteParams) (int32, error) {
-	row := q.db.QueryRowContext(ctx, getVote, arg.UserID, arg.QuestionID)
-	var value int32
-	err := row.Scan(&value)
-	return value, err
-}
-
-const questionIsVisible = `-- name: QuestionIsVisible :one
-SELECT EXISTS(
-  SELECT 1 FROM questions WHERE id = $1 AND hidden = 0
-)::bool
-`
-
-func (q *Queries) QuestionIsVisible(ctx context.Context, id string) (bool, error) {
-	row := q.db.QueryRowContext(ctx, questionIsVisible, id)
-	var column_1 bool
-	err := row.Scan(&column_1)
-	return column_1, err
-}
-
-const upsertVoteOnVisible = `-- name: UpsertVoteOnVisible :execrows
-INSERT INTO votes (user_id, question_id, value)
-SELECT $1, $2, $3
-FROM questions q
-WHERE q.id = $2 AND q.hidden = 0
-ON CONFLICT (user_id, question_id) DO UPDATE
-SET value = excluded.value
-WHERE EXISTS (
-  SELECT 1 FROM questions q2 WHERE q2.id = excluded.question_id AND q2.hidden = 0
-)
-`
-
-type UpsertVoteOnVisibleParams struct {
-	UserID     string
-	QuestionID string
-	Value      int32
-}
-
-func (q *Queries) UpsertVoteOnVisible(ctx context.Context, arg UpsertVoteOnVisibleParams) (int64, error) {
-	result, err := q.db.ExecContext(ctx, upsertVoteOnVisible, arg.UserID, arg.QuestionID, arg.Value)
-	if err != nil {
-		return 0, err
-	}
-	return result.RowsAffected()
-}

internal/store/store.go

@@ -27,16 +27,6 @@ type Store interface {
 	SetUserRole(ctx context.Context, id string, role Role) error
 	SaveUserProfile(ctx context.Context, u *User) error
 
-	CreateQuestion(ctx context.Context, q *RankedQuestion) error
-	GetQuestion(ctx context.Context, id, viewerID string) (*RankedQuestion, error)
-	ListHunt(ctx context.Context, huntDate, viewerID string) ([]RankedQuestion, error)
-	ListQuestionsByAuthor(ctx context.Context, authorID string) ([]RankedQuestion, error)
-	ListQuestionsAnsweredBy(ctx context.Context, adminID string) ([]RankedQuestion, error)
-	HideQuestion(ctx context.Context, id string) error
-
-	GetAnswer(ctx context.Context, questionID string) (*Answer, error)
-	UpsertAnswer(ctx context.Context, a *Answer) error
-
 	CreatePost(ctx context.Context, post *Post) error
 	GetPost(ctx context.Context, id string) (*Post, error)
 	GetPostThread(ctx context.Context, rootID string) (*Post, error)
@@ -47,7 +37,4 @@ type Store interface {
 	ListRootPostsAnsweredBy(ctx context.Context, adminID string) ([]Post, error)
 	SetRootPostState(ctx context.Context, id string, state PostState) error
 	VotePost(ctx context.Context, userID, postID string, value int) error
-
-	// Vote sets the vote to 1, -1, or 0 (clear) on a visible question.
-	Vote(ctx context.Context, userID, questionID string, value int) error
 }

internal/store/user.go

@@ -9,12 +9,19 @@ import (
 	"time"
 
 	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5/pgconn"
 
 	"plumber/internal/store/sqlc"
 )
 
+var (
 	// ErrLastAdmin is returned when demoting the only remaining admin.
-var ErrLastAdmin = errors.New("cannot demote the last admin")
+	ErrLastAdmin = errors.New("cannot demote the last admin")
+	// ErrDuplicateUsername is returned when inserting an existing username.
+	ErrDuplicateUsername = errors.New("username taken")
+	// ErrDuplicateEmail is returned when inserting or updating an existing email.
+	ErrDuplicateEmail = errors.New("email taken")
+)
 
 // Role is a user privilege level stored in users.role.
 type Role string
@@ -51,6 +58,17 @@ func NormalizeUsername(s string) string {
 	return strings.ToLower(strings.TrimSpace(s))
 }
 
+func mapUniqueViolation(err error) error {
+	var pgErr *pgconn.PgError
+	if errors.As(err, &pgErr) && pgErr.Code == "23505" {
+		if strings.Contains(strings.ToLower(pgErr.ConstraintName), "email") {
+			return ErrDuplicateEmail
+		}
+		return ErrDuplicateUsername
+	}
+	return err
+}
+
 func toUser(db *sql.DB, id, username, name, role, email, avatarURL, state, createdAt, passwordHash string) *User {
 	return &User{
 		ID:           id,

internal/store/vote.go

@@ -1,71 +0,0 @@
-package store
-
-import (
-	"context"
-	"database/sql"
-	"errors"
-	"fmt"
-	"strings"
-
-	"github.com/jackc/pgx/v5/pgconn"
-
-	"plumber/internal/store/sqlc"
-)
-
-// ErrDuplicateUsername is returned when inserting a username that already exists.
-var ErrDuplicateUsername = errors.New("username taken")
-
-// ErrDuplicateEmail is returned when inserting/updating an email that already exists.
-var ErrDuplicateEmail = errors.New("email taken")
-
-// ErrHiddenOrMissing is returned when voting on a hidden or unknown question.
-var ErrHiddenOrMissing = errors.New("question not votable")
-
-// SetVote sets the user's vote to value (1, -1, or 0 to clear) on a visible question.
-func SetVote(ctx context.Context, db *sql.DB, userID, questionID string, value int) error {
-	if value != 1 && value != -1 && value != 0 {
-		return fmt.Errorf("invalid vote")
-	}
-	q := sqlc.New(db)
-	if value == 0 {
-		visible, err := q.QuestionIsVisible(ctx, questionID)
-		if err != nil {
-			return err
-		}
-		if !visible {
-			return ErrHiddenOrMissing
-		}
-		return q.DeleteVote(ctx, sqlc.DeleteVoteParams{
-			UserID:     userID,
-			QuestionID: questionID,
-		})
-	}
-	n, err := q.UpsertVoteOnVisible(ctx, sqlc.UpsertVoteOnVisibleParams{
-		UserID:     userID,
-		QuestionID: questionID,
-		Value:      int32(value),
-	})
-	if err != nil {
-		return mapUniqueViolation(err)
-	}
-	if n == 0 {
-		return ErrHiddenOrMissing
-	}
-	return nil
-}
-
-// Vote is kept as an alias for SetVote for callers that still use the old name.
-func Vote(ctx context.Context, db *sql.DB, userID, questionID string, value int) error {
-	return SetVote(ctx, db, userID, questionID, value)
-}
-
-func mapUniqueViolation(err error) error {
-	var pgErr *pgconn.PgError
-	if errors.As(err, &pgErr) && pgErr.Code == "23505" {
-		if strings.Contains(strings.ToLower(pgErr.ConstraintName), "email") {
-			return ErrDuplicateEmail
-		}
-		return ErrDuplicateUsername
-	}
-	return err
-}

internal/web/server.go

@@ -196,7 +196,6 @@ func (s *Server) Handler() http.Handler {
 	r.Post("/submit", s.handleSubmit)
 	r.Get("/questions/{id}", s.handleQuestion)
 	r.Post("/questions/{id}/vote", s.handleVote)
-	r.Post("/questions/{id}/answer", s.handleAnswer)
 	r.Post("/questions/{id}/hide", s.handleHide)
 	r.Post("/posts", s.handleCreatePost)
 	r.Post("/posts/{id}/edit", s.handleEditPost)
@@ -478,48 +477,6 @@ func (s *Server) renderLeaderboard(w http.ResponseWriter, r *http.Request, date
 	})
 }
 
-func (s *Server) handleAnswer(w http.ResponseWriter, r *http.Request) {
-	if !s.requireCSRF(w, r) {
-		return
-	}
-	u := currentUser(r)
-	if !u.Admin() {
-		http.Error(w, "forbidden", http.StatusForbidden)
-		return
-	}
-	id := chi.URLParam(r, "id")
-	body := strings.TrimSpace(r.PostFormValue("body"))
-	if body == "" {
-		http.Error(w, "answer required", http.StatusBadRequest)
-		return
-	}
-	if len(body) > 12000 {
-		body = truncateRunes(body, 12000)
-	}
-	root, err := s.store.GetPost(r.Context(), id)
-	if err != nil || root.ParentID != nil || root.PostState == store.PostStateHidden {
-		http.NotFound(w, r)
-		return
-	}
-	reply := &store.Post{
-		ParentID: &root.ID,
-		AuthorID: u.ID,
-		Body:     body,
-	}
-	if err := s.store.CreatePost(r.Context(), reply); err != nil {
-		http.Error(w, "could not save answer", http.StatusInternalServerError)
-		return
-	}
-	s.notifyPostReply(root, root, reply, u)
-	location := "/questions/" + url.PathEscape(id) + "#post-" + url.PathEscape(reply.ID)
-	if isHTMX(r) {
-		w.Header().Set("HX-Redirect", location)
-		w.WriteHeader(http.StatusSeeOther)
-		return
-	}
-	http.Redirect(w, r, location, http.StatusSeeOther)
-}
-
 func (s *Server) handleHide(w http.ResponseWriter, r *http.Request) {
 	if !s.requireCSRF(w, r) {
 		return

internal/web/server_test.go

@@ -19,7 +19,6 @@ import (
 
 	"plumber"
 	"plumber/internal/blob"
-	"plumber/internal/mail"
 	"plumber/internal/pacific"
 	"plumber/internal/store"
 )
@@ -483,13 +482,12 @@ func TestProfileAdminAnsweredListAndAvatarUpload(t *testing.T) {
 	}
 }
 
-func TestMutationsVoteAnswerHideAndCSRF(t *testing.T) {
-	recording := &mail.Recording{}
-	srv, mem := newTestServer(t, Config{Mail: recording})
+func TestMutationsVoteHideAndCSRF(t *testing.T) {
+	srv, mem := newTestServer(t, Config{})
 	h := srv.Handler()
 	adminName := uniq("admin")
 	userName := uniq("user")
-	admin := seedUser(t, mem, adminName, "hunter22", store.RoleAdmin)
+	seedUser(t, mem, adminName, "hunter22", store.RoleAdmin)
 	user := seedUser(t, mem, userName, "hunter22", store.RoleUser)
 	adminCookies := loginUser(t, h, adminName, "hunter22")
 	userCookies := loginUser(t, h, userName, "hunter22")
@@ -562,92 +560,11 @@ func TestMutationsVoteAnswerHideAndCSRF(t *testing.T) {
 		t.Fatalf("vote not applied: %+v %v", got, err)
 	}
 
-	// Non-admin answer rejected
 	rec = httptest.NewRecorder()
-	req = httptest.NewRequest(http.MethodGet, "/questions/"+q.ID, nil)
-	for _, c := range userCookies {
-		req.AddCookie(c)
-	}
+	req = httptest.NewRequest(http.MethodPost, "/questions/"+q.ID+"/answer", nil)
 	h.ServeHTTP(rec, req)
-	csrf = csrfFrom(rec.Body.String())
-	form = strings.NewReader("_csrf=" + csrf + "&body=Nope")
-	req = httptest.NewRequest(http.MethodPost, "/questions/"+q.ID+"/answer", form)
-	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
-	for _, c := range userCookies {
-		req.AddCookie(c)
-	}
-	rec = httptest.NewRecorder()
-	h.ServeHTTP(rec, req)
-	if rec.Code != http.StatusForbidden {
-		t.Fatalf("non-admin answer want 403, got %d", rec.Code)
-	}
-
-	// Admin answer compatibility route creates a reply and redirects the thread.
-	rec = httptest.NewRecorder()
-	req = httptest.NewRequest(http.MethodGet, "/questions/"+q.ID, nil)
-	for _, c := range adminCookies {
-		req.AddCookie(c)
-	}
-	h.ServeHTTP(rec, req)
-	csrf = csrfFrom(rec.Body.String())
-	form = strings.NewReader("_csrf=" + csrf + "&body=Tighten+the+nuts.")
-	req = httptest.NewRequest(http.MethodPost, "/questions/"+q.ID+"/answer", form)
-	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
-	req.Header.Set("HX-Request", "true")
-	for _, c := range adminCookies {
-		req.AddCookie(c)
-	}
-	rec = httptest.NewRecorder()
-	h.ServeHTTP(rec, req)
-	if rec.Code != http.StatusSeeOther {
-		t.Fatalf("admin answer: %d %s", rec.Code, rec.Body.String())
-	}
-	thread, err := mem.GetPostThread(context.Background(), q.ID)
-	if err != nil || len(thread.Replies) != 1 {
-		t.Fatalf("admin reply missing: %+v %v", thread, err)
-	}
-	adminReply := thread.Replies[0]
-	if adminReply.AuthorID != admin.ID || adminReply.Body != "Tighten the nuts." {
-		t.Fatalf("unexpected admin reply: %+v", adminReply)
-	}
-	if got := rec.Header().Get("HX-Redirect"); got != "/questions/"+q.ID+"#post-"+adminReply.ID {
-		t.Fatalf("admin answer redirect = %q", got)
-	}
-	msgs := waitForMail(t, recording, 1)
-	if msg := msgs[0]; msg.ToEmail != user.Email ||
-		msg.RootID != q.ID ||
-		msg.ReplyID != adminReply.ID ||
-		msg.ReplyBody != adminReply.Body {
-		t.Fatalf("compatibility reply notification = %+v", msg)
-	}
-
-	rec = httptest.NewRecorder()
-	req = httptest.NewRequest(http.MethodGet, "/questions/"+q.ID, nil)
-	for _, c := range adminCookies {
-		req.AddCookie(c)
-	}
-	h.ServeHTTP(rec, req)
-	if body := rec.Body.String(); !strings.Contains(body, "Tighten the nuts.") ||
-		!strings.Contains(body, "<summary>Edit</summary>") ||
-		!strings.Contains(body, ">Tighten the nuts.</textarea>") ||
-		!strings.Contains(body, `type="reset" class="btn btn-ghost"`) ||
-		!strings.Contains(body, `removeAttribute('open')`) ||
-		strings.Contains(body, `<details class="post-composer" open`) {
-		t.Fatalf("admin reply editor is not collapsed and populated: %s", body)
-	}
-
-	// The public reply is visible to the root author, but editing remains admin-only.
-	rec = httptest.NewRecorder()
-	req = httptest.NewRequest(http.MethodGet, "/questions/"+q.ID, nil)
-	for _, c := range userCookies {
-		req.AddCookie(c)
-	}
-	h.ServeHTTP(rec, req)
-	if rec.Code != 200 || !strings.Contains(rec.Body.String(), "Tighten the nuts.") {
-		t.Fatalf("question author cannot see answer: %d %s", rec.Code, rec.Body.String())
-	}
-	if strings.Contains(rec.Body.String(), `/posts/`+adminReply.ID+`/edit`) {
-		t.Fatalf("question author can edit admin reply: %s", rec.Body.String())
+	if rec.Code != http.StatusNotFound {
+		t.Fatalf("removed answer endpoint want 404, got %d", rec.Code)
 	}
 
 	// Hide invalid id

schema.sql

@@ -14,34 +14,6 @@ CREATE UNIQUE INDEX IF NOT EXISTS users_email_lower_uidx
   ON users (lower(email))
   WHERE email <> '';
 
-CREATE TABLE IF NOT EXISTS questions (
-  id TEXT PRIMARY KEY,
-  author_id TEXT NOT NULL REFERENCES users(id),
-  title TEXT NOT NULL,
-  body TEXT NOT NULL,
-  city TEXT NOT NULL DEFAULT '',
-  hunt_date TEXT NOT NULL,
-  hidden INTEGER NOT NULL DEFAULT 0,
-  created_at TEXT NOT NULL
-);
-
-CREATE INDEX IF NOT EXISTS idx_questions_hunt_date ON questions(hunt_date, hidden);
-
-CREATE TABLE IF NOT EXISTS votes (
-  user_id TEXT NOT NULL REFERENCES users(id),
-  question_id TEXT NOT NULL REFERENCES questions(id) ON DELETE CASCADE,
-  value INTEGER NOT NULL CHECK (value IN (-1, 1)),
-  PRIMARY KEY (user_id, question_id)
-);
-
-CREATE TABLE IF NOT EXISTS answers (
-  question_id TEXT PRIMARY KEY REFERENCES questions(id) ON DELETE CASCADE,
-  author_id TEXT NOT NULL REFERENCES users(id),
-  body TEXT NOT NULL,
-  created_at TEXT NOT NULL,
-  updated_at TEXT NOT NULL
-);
-
 CREATE TABLE IF NOT EXISTS posts (
   id TEXT PRIMARY KEY,
   parent_id TEXT REFERENCES posts(id) ON DELETE CASCADE,