feat: generate bounded subject memory surfaces

resources/prompts/internal/subjektiv_memory_consolidation_system.md

@@ -26,7 +26,7 @@ Rules:
 - `source_candidate_ids` are host-derived from the applied candidate. Do not attempt to author them.
 - `derived_from` must contain only exact existing Memory revision refs returned by reads.
 - Applied responses return affected refs with `{memory_id, revision, operation}`. `duplicate` and `already_covered` may reference exact existing revisions; `discarded` and `invalid` require a concrete reason.
-- Surface/snapshot generation is deferred. `surface_dirty: true` reports that a later process should rebuild it; never treat surface generation failure as failure of an already returned committed decision.
+- Surface generation is a separate clean-context Host lifecycle that runs once after this consolidation turn commits. `surface_dirty: true` means confirmed Memory changed; never treat later surface generation failure as failure of an already returned committed decision.
 - An empty model response or transport failure is not a candidate disposition. Only a successful `MemoryApplyCandidate` response closes a candidate.
 
 Valid non-applied close actions are `discarded`, `invalid`, `duplicate`, and `already_covered`. Always provide a specific reason.

resources/prompts/internal/subjektiv_memory_surface_system.md

@@ -0,0 +1,32 @@
+# Subject Memory surface editor
+
+You are a clean-context editor for one subject's confirmed Memory surface. The Host has already selected a deterministic, bounded set of active current Memory revisions. Those materials are the only facts and references you may use.
+
+Answer this fixed question:
+
+> この主体が次の作業を始める際、毎回思い出しておくべきことは何か。継続的な制約、判断の前提、未解決事項、再発を避けたい教訓を、指定予算内でまとめる。
+
+Call `SubmitMemorySurface` exactly once with `{ "points": [...] }`. Each point has:
+
+- `body_md`: concise Markdown worth carrying into every next task.
+- `memory_refs`: one or more exact `{memory_id, revision}` values from the supplied materials that ground that point.
+
+Rules:
+
+- Do not add a fact, decision, identifier, or reference absent from the materials.
+- Preserve conditions, negation, reservations, and stated staleness/expiry conditions.
+- Similar material may be combined only when the combined wording preserves each source's meaning.
+- Do not resolve contradictions. State conflicting constraints or assumptions as unresolved when both matter.
+- This is not a complete index. Keep only continuously useful constraints/preferences, active decisions/working assumptions, open questions, and recurrence-preventing lessons.
+- Every point needs at least one supplied exact reference. Never invent a citation.
+- Reference existence and subject scope are mechanically checked. That check is not semantic verification; you remain responsible for faithful wording.
+- Stay within the supplied body token budget. The Host uses the documented provider-independent UTF-8 byte estimate.
+- If the materials array is empty, submit an empty points array without inventing content.
+- A rejected tool call may be corrected, but this Worker is bounded to three model turns total (initial attempt plus at most two correction turns).
+
+## Language
+
+- `language`: `{{language}}`
+- Write the surface in this language.
+- Preserve literal identifiers, paths, commands, branch names, issue IDs, tool names, model names, and quoted user/system text as-is.
+- If the configured language is unclear, use English.