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fix(api): bound inspect_graph with relevance-ranked projection; regen soul.c
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High-fanout identity anchors (voice, writing-imprint, self-root) have ~670KB
neighborhoods. inspect_graph returned the full traversal, which overflowed the
MCP client's context and socket-closed the wrapper mid self-load -- the soul
could not traverse its own identity graph.

handle_api_inspect_graph gains an opt-in `compact` projection (compact=1|true):
the neighborhood is relevance-ranked, the top K (default 12) keep a UTF-8-safe
content snippet (default snip=600), and the remainder collapse to lightweight
{id,label,node_type,tier,edge,pointer:true} stubs. This bounds the voice node
from 669,799B -> 25,353B (HTTP 200, valid JSON) and the wrapper's soul-load no
longer socket-closes. New helpers: api_compact_neighbors, api_neigh_full,
api_neigh_pointer, api_neigh_rank, api_neigh_better, api_float_or.

The flag is gated: ABSENT it, the response is byte-identical to the old plain
traversal, so the studio app (which never sends it) is unaffected. The MCP
wrapper (mcp-wrapper/src/main.el) appends &compact=1 on its inspectGraph and
fetch-by-id paths.

dist/soul.c is REGENERATED so CI ships the fix: CI compiles the committed
single-TU dist/soul.c directly (running elb/elc on the Linux runner OOM-kills
it), so an .el-only change would build the OLD behavior. Regenerated and verified
on macOS -- compiles with the CI cc line (0 errors) and, on a throwaway soul over
a copy of the live snapshot, serves compact ~25KB / non-compact ~670KB. The regen
also syncs the amalgamation to this branch's .el sources, which had drifted
several self-review commits ahead of the previously-committed soul.c.

Docs: docs/architecture/00-05 added; 01/02/05 corrected so the relevance-ranked
inspect_graph projection reads as committed source, not an in-flight concern.
This commit is contained in:
Will Anderson
2026-08-10 10:28:50 -05:00
parent 64cd5055c5
commit 4bff40fa4a
10 changed files with 2314 additions and 466 deletions
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neuron-api.elh
+11
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@@ -8,6 +8,17 @@ extern fn api_ok(extra: String) -> String
extern fn api_err(msg: String) -> String
extern fn api_nonempty(s: String) -> Bool
extern fn api_or_empty(s: String) -> String
extern fn api_num_or_zero(obj: String, key: String) -> String
extern fn api_utf8_trunc(s: String, n: Int) -> String
extern fn api_compact_node(node: String, snip: Int) -> String
extern fn api_compact_node_array(raw: String, max_items: Int, snip: Int) -> String
extern fn api_compact_activated(raw: String, max_items: Int, snip: Int) -> String
extern fn api_float_or(obj: String, key: String, dflt: Float) -> Float
extern fn api_neigh_better(a: String, b: String) -> Bool
extern fn api_neigh_rank(raw: String, n: Int, i: Int) -> Int
extern fn api_neigh_full(node: String, edge: String, el: String, snip: Int) -> String
extern fn api_neigh_pointer(node: String, edge: String, el: String) -> String
extern fn api_compact_neighbors(raw: String, k_content: Int, snip: Int) -> String
extern fn api_persisted(id: String) -> Bool
extern fn api_not_persisted(id: String) -> String
extern fn tombstone_node(id: String) -> String