memory_db

SQLite-backed memory persistence. Replaces file_memory.gleam. Stateless — every function takes a Connection.

Target is a String: “memory” or “user” (matches the DB column). Character limits are enforced on add/replace.

Types

Snapshot

pub type Snapshot {
  Snapshot(entries: List(String), target: String)
}

Constructors

Snapshot(entries: List(String), target: String)

Values

add_entry

</>

pub fn add_entry(
  conn: sqlight.Connection,
  user_key: String,
  target: String,
  content: String,
) -> Result(Nil, String)

capture_snapshot

</>

pub fn capture_snapshot(
  conn: sqlight.Connection,
  user_key: String,
  target: String,
) -> Result(Snapshot, String)

delete_all

</>

pub fn delete_all(
  conn: sqlight.Connection,
  user_key: String,
) -> Result(Int, String)

Delete all memories for a user_key (admin wipe).

format_for_system_prompt

</>

pub fn format_for_system_prompt(
  conn: sqlight.Connection,
  user_key: String,
  target: String,
) -> Result(String, String)

format_snapshot

</>

pub fn format_snapshot(snapshot: Snapshot) -> String

get_entries

</>

pub fn get_entries(
  conn: sqlight.Connection,
  user_key: String,
  target: String,
) -> Result(List(String), String)

migrate_from_files_if_needed

</>

pub fn migrate_from_files_if_needed(
  conn: sqlight.Connection,
  user_key: String,
) -> Result(Nil, String)

remove_entry

</>

pub fn remove_entry(
  conn: sqlight.Connection,
  user_key: String,
  target: String,
  old_text: String,
) -> Result(Nil, String)

replace_entry

</>

pub fn replace_entry(
  conn: sqlight.Connection,
  user_key: String,
  target: String,
  old_text: String,
  new_content: String,
) -> Result(Nil, String)

snapshot_usage_string

</>

pub fn snapshot_usage_string(snapshot: Snapshot) -> String

usage_string

</>

pub fn usage_string(
  conn: sqlight.Connection,
  user_key: String,
  target: String,
) -> Result(String, String)