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wip(929): stage 3 — migrate http/mcp/* off yaml_legacy + introduce yaml_residue marker

Browse Source 
Three MCP files touched:

- status_tools.rs (story-status JSON dump): every field with a CRDT
  equivalent now reads from WorkItem (name, agent, blocked, qa_mode,
  retry_count, depends_on, claimed_by, claimed_at) or MergeJob.error
  (merge_failure detail). One field — review_hold — has no CRDT register
  yet (sub-story 932) and is wrapped in `yaml_residue(parse_front_matter(...))`
  so the gap is visible at every code-search.

- qa_tools.rs:
  • tool_approve_qa wraps the legacy `clear_front_matter_field("review_hold")`
    write in `yaml_residue(...)` pending sub-story 932.
  • tool_reject_qa now reads the agent name from the CRDT WorkItem instead
    of parsing front matter on disk.

- story_tools/epic.rs: the entire epic feature (item_type, epic link)
  has no CRDT analog — sub-story 933. Every parse_front_matter call here
  is wrapped in `yaml_residue(...)`.

Also: new identity wrapper `db::yaml_legacy::yaml_residue<T>(v: T) -> T`
that marks a yaml_legacy callsite blocked on a CRDT-register gap. Pure
identity at runtime; the distinctive name makes the residue grep-findable
(`grep -rn yaml_residue`). Sub-stories 932 and 933 enumerate the gaps.

Filed:
- 932: Add CRDT register for review_hold
- 933: Add CRDT registers for the epic mechanism

All 2854 tests pass; fmt + clippy clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Timmy
2026-05-12 18:54:32 +01:00
parent 9eb5116f7e
commit b8945654bf
4 changed files with 61 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files
server/src/http/mcp/status_tools.rs
+27 -29
View File
@@ -174,47 +174,29 @@ pub(super) async fn tool_status(args: &Value, ctx: &AppContext) -> Result<String
let contents = crate::db::read_content(story_id)
.ok_or_else(|| format!("Story '{story_id}' has no content in the content store."))?;
// --- Front matter ---
// --- Metadata (story 929: CRDT-first, yaml_residue marks gaps) ---
let mut front_matter = serde_json::Map::new();
if let Ok(meta) = crate::db::yaml_legacy::parse_front_matter(&contents) {
if let Some(name) = &meta.name {
if let Some(view) = crate::crdt_state::read_item(story_id) {
if let Some(name) = view.name() {
front_matter.insert("name".to_string(), json!(name));
}
if let Some(agent) = &meta.agent {
if let Some(agent) = view.agent() {
front_matter.insert("agent".to_string(), json!(agent));
}
if let Some(true) = meta.blocked {
if view.blocked() {
front_matter.insert("blocked".to_string(), json!(true));
}
if let Some(qa) = &meta.qa {
front_matter.insert("qa".to_string(), json!(qa.as_str()));
if let Some(qa) = view.qa_mode() {
front_matter.insert("qa".to_string(), json!(qa));
}
if let Some(rc) = meta.retry_count
&& rc > 0
{
let rc = view.retry_count();
if rc > 0 {
front_matter.insert("retry_count".to_string(), json!(rc));
}
if let Some(mf) = &meta.merge_failure {
front_matter.insert("merge_failure".to_string(), json!(mf));
}
if let Some(rh) = meta.review_hold
&& rh
{
front_matter.insert("review_hold".to_string(), json!(rh));
}
if let Some(deps) = &meta.depends_on
&& !deps.is_empty()
{
let deps = view.depends_on();
if !deps.is_empty() {
front_matter.insert("depends_on".to_string(), json!(deps));
}
}
// --- CRDT view fields (claimed_by, claimed_at, is_deleted) ---
// read_item uses the visible index, so is_deleted is always false here;
// we include it only when true (which cannot happen for stories that
// pass the read_typed / 2_current check above, but the code is present
// for completeness and future-proofing).
if let Some(view) = crate::crdt_state::read_item(story_id) {
if let Some(cb) = view.claimed_by()
&& !cb.is_empty()
{
@@ -227,6 +209,22 @@ pub(super) async fn tool_status(args: &Value, ctx: &AppContext) -> Result<String
}
}
// Merge-failure detail lives on the MergeJob CRDT entry, not on WorkItem.
if let Some(job) = crate::crdt_state::read_merge_job(story_id)
&& let Some(mf) = job.error
{
front_matter.insert("merge_failure".to_string(), json!(mf));
}
// review_hold has no CRDT register yet — see story 932. Wrap the
// yaml_legacy read in `yaml_residue(...)` so it's grep-findable.
if let Ok(meta) =
crate::db::yaml_legacy::yaml_residue(crate::db::yaml_legacy::parse_front_matter(&contents))
&& let Some(true) = meta.review_hold
{
front_matter.insert("review_hold".to_string(), json!(true));
}
// --- AC checklist ---
let ac_items: Vec<Value> = parse_ac_items(&contents)
.into_iter()