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-# API Reference
-
-All methods are on the `*Store` type. Errors are wrapped with context (e.g. `store.Get: config/theme: store: not found`).
-
-## Constructor
-
-### New
-
-```go
-func New(dbPath string) (*Store, error)
-```
-
-Creates a new Store backed by a SQLite database at `dbPath`. Enables WAL journal mode for concurrent read access and creates the `kv` table if it does not exist.
-
-Use `":memory:"` for an ephemeral in-memory database (ideal for tests).
-
-```go
-// File-backed store
-s, err := store.New("/var/lib/myapp/data.db")
-
-// In-memory store for tests
-s, err := store.New(":memory:")
-```
-
-**Errors:** Returns an error if the database cannot be opened, WAL mode cannot be enabled, or the schema cannot be created.
-
----
-
-## Close
-
-```go
-func (s *Store) Close() error
-```
-
-Closes the underlying SQLite database connection. Always defer this after creating a store.
-
-```go
-s, err := store.New("app.db")
-if err != nil {
-    log.Fatal(err)
-}
-defer s.Close()
-```
-
----
-
-## Get
-
-```go
-func (s *Store) Get(group, key string) (string, error)
-```
-
-Retrieves a single value by group and key.
-
-```go
-val, err := s.Get("config", "theme")
-if errors.Is(err, store.ErrNotFound) {
-    // Key does not exist
-}
-```
-
-**Returns:** The value string, or an error wrapping `ErrNotFound` if the key does not exist in the given group.
-
----
-
-## Set
-
-```go
-func (s *Store) Set(group, key, value string) error
-```
-
-Stores a value under the given group and key. Uses upsert semantics: if the key already exists in the group, its value is overwritten.
-
-```go
-err := s.Set("config", "theme", "dark")
-err = s.Set("config", "theme", "light")  // Overwrites "dark"
-```
-
-**Errors:** Returns an error only on database failure.
-
----
-
-## Delete
-
-```go
-func (s *Store) Delete(group, key string) error
-```
-
-Removes a single key from a group. No error is returned if the key does not exist (the DELETE is a no-op).
-
-```go
-err := s.Delete("config", "theme")
-```
-
----
-
-## DeleteGroup
-
-```go
-func (s *Store) DeleteGroup(group string) error
-```
-
-Removes all keys belonging to a group. Useful for clearing an entire namespace.
-
-```go
-err := s.DeleteGroup("cache")
-```
-
----
-
-## GetAll
-
-```go
-func (s *Store) GetAll(group string) (map[string]string, error)
-```
-
-Returns all key-value pairs in a group as a map. Returns an empty (non-nil) map if the group has no keys.
-
-```go
-all, err := s.GetAll("config")
-// all = map[string]string{"theme": "dark", "lang": "en-GB"}
-
-empty, err := s.GetAll("nonexistent")
-// empty = map[string]string{}
-```
-
----
-
-## Count
-
-```go
-func (s *Store) Count(group string) (int, error)
-```
-
-Returns the number of keys in a group. Returns 0 for groups that do not exist or have no keys.
-
-```go
-n, err := s.Count("config")
-fmt.Printf("%d keys
-", n)
-```
-
----
-
-## Render
-
-```go
-func (s *Store) Render(tmplStr, group string) (string, error)
-```
-
-Loads all key-value pairs from a group and executes a Go `text/template` against them. The template receives a `map[string]string` where keys are the store keys and values are the store values.
-
-See [[Template-Rendering]] for detailed examples and template syntax.
-
-```go
-tmpl := `{"pool":"{{ .pool }}","wallet":"{{ .wallet }}"}`
-out, err := s.Render(tmpl, "user")
-// out = `{"pool":"pool.lthn.io:3333","wallet":"iz..."}`
-```
-
-**Errors:** Returns an error if the database query fails, the template cannot be parsed, or template execution fails (e.g. referencing a key that does not exist without using `index`).
-
----
-
-## ErrNotFound
-
-```go
-var ErrNotFound = errors.New("store: not found")
-```
-
-Sentinel error returned (wrapped) by `Get` when the requested group/key combination does not exist. Use `errors.Is` to check:
-
-```go
-val, err := s.Get("config", "missing")
-if errors.Is(err, store.ErrNotFound) {
-    // Handle missing key
-}
-```
-
-The full error message includes the group and key: `store.Get: config/missing: store: not found`.
-
-## Related
-
-- [[Home]] — Package overview, installation, schema diagram
-- [[Template-Rendering]] — Go template syntax and Render examples