memory: route staging lifecycle through sqlite authority

crates/worker/src/prompt/catalog.rs

@@ -80,8 +80,8 @@ pub enum WorkerPrompt {
     /// after the scope summary when an AGENTS.md is present.
     AgentsMdSection,
     /// Trailing `## Resident memory summary` section, appended after the
-    /// AGENTS.md section when memory is enabled, summary injection is enabled,
-    /// and `memory/summary.md` has a valid non-empty body.
+    /// AGENTS.md section when memory is enabled, resident injection is enabled,
+    /// and the workspace Memory document has a valid non-empty body.
     ResidentMemorySummarySection,
     /// Trailing Worker orchestration guidance, appended when registered tools
     /// include Worker-management capabilities.

crates/worker/src/prompt/system.rs

@@ -153,9 +153,9 @@ pub struct SystemPromptContext<'a> {
     /// Not visible from the template; consumed by the trailing-section
     /// formatter in [`SystemPromptTemplate::render`].
     pub agents_md: Option<String>,
-    /// The body of `<workspace>/.yoi/memory/summary.md`, with
-    /// frontmatter stripped. `None` disables the resident summary section;
-    /// empty strings are ignored by the trailing-section formatter.
+    /// The body of the workspace Memory document. `None` disables the
+    /// resident summary section; empty strings are ignored by the trailing-section
+    /// formatter.
     pub resident_summary: Option<&'a str>,
     /// Catalog used to render the fixed trailing section headers.
     /// Passed by reference so callers do not give up ownership across