first commit

internal/db/queries/permissions.sql

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+-- name: GetToolPermission :one
+SELECT * FROM tool_permissions WHERE tool_name = ?;
+
+-- name: UpsertToolPermission :one
+INSERT INTO tool_permissions (tool_name, policy)
+VALUES (?, ?)
+ON CONFLICT(tool_name) DO UPDATE SET policy = excluded.policy, updated_at = strftime('%Y-%m-%dT%H:%M:%fZ', 'now')
+RETURNING *;
+
+-- name: ListToolPermissions :many
+SELECT * FROM tool_permissions ORDER BY tool_name ASC;
+
+-- name: DeleteToolPermission :exec
+DELETE FROM tool_permissions WHERE tool_name = ?;
+
+-- name: ResetToolPermissions :exec
+DELETE FROM tool_permissions;

internal/db/queries/sessions.sql

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+-- name: CreateSession :one
+INSERT INTO sessions (title, model, mode) VALUES (?, ?, ?) RETURNING *;
+
+-- name: GetSession :one
+SELECT * FROM sessions WHERE id = ?;
+
+-- name: ListSessions :many
+SELECT * FROM sessions ORDER BY updated_at DESC LIMIT ?;
+
+-- name: UpdateSessionTitle :exec
+UPDATE sessions SET title = ?, updated_at = strftime('%Y-%m-%dT%H:%M:%fZ', 'now') WHERE id = ?;
+
+-- name: UpdateSessionTimestamp :exec
+UPDATE sessions SET updated_at = strftime('%Y-%m-%dT%H:%M:%fZ', 'now') WHERE id = ?;
+
+-- name: DeleteSession :exec
+DELETE FROM sessions WHERE id = ?;
+
+-- name: CreateSessionMessage :one
+INSERT INTO session_messages (session_id, role, content, tool_name, tool_args, is_error, thinking)
+VALUES (?, ?, ?, ?, ?, ?, ?) RETURNING *;
+
+-- name: GetSessionMessages :many
+SELECT * FROM session_messages WHERE session_id = ? ORDER BY id ASC;
+
+-- name: CountSessions :one
+SELECT COUNT(*) FROM sessions;

internal/db/queries/stats.sql

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+-- name: RecordTokenUsage :one
+INSERT INTO token_stats (session_id, turn, eval_count, prompt_tokens, model)
+VALUES (?, ?, ?, ?, ?) RETURNING *;
+
+-- name: GetSessionTokenStats :many
+SELECT * FROM token_stats WHERE session_id = ? ORDER BY turn ASC;
+
+-- name: GetSessionTotalTokens :one
+SELECT
+    CAST(COALESCE(SUM(eval_count), 0) AS INTEGER) AS total_eval,
+    CAST(COALESCE(SUM(prompt_tokens), 0) AS INTEGER) AS total_prompt,
+    CAST(COUNT(*) AS INTEGER) AS turn_count
+FROM token_stats WHERE session_id = ?;
+
+-- name: RecordFileChange :one
+INSERT INTO file_changes (session_id, file_path, tool_name, added, removed)
+VALUES (?, ?, ?, ?, ?) RETURNING *;
+
+-- name: GetSessionFileChanges :many
+SELECT * FROM file_changes WHERE session_id = ? ORDER BY created_at ASC;
+
+-- name: GetSessionFileChangeSummary :many
+SELECT
+    file_path,
+    CAST(COALESCE(SUM(added), 0) AS INTEGER) AS total_added,
+    CAST(COALESCE(SUM(removed), 0) AS INTEGER) AS total_removed,
+    CAST(COUNT(*) AS INTEGER) AS change_count
+FROM file_changes
+WHERE session_id = ?
+GROUP BY file_path
+ORDER BY file_path ASC;