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fix(brains): run the brains startup hook on Claude Code session fork [BRNS-MCPWEB-023] #25

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Merged
olegshmuelov merged 1 commit into from
Aug 9, 2026
Merged

fix(brains): run the brains startup hook on Claude Code session fork [BRNS-MCPWEB-023] #25

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2 changes: 1 addition & 1 deletion plugins/brains/.claude-plugin/plugin.json
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
{
"name": "brains",
"description": "Your memory layer: Gmail, Calendar, Drive, and prior Claude conversations as queryable pages, with reflexive recall, hook-driven turn-by-turn capture and inbox delivery, and boards/automations/workflows on top.",
"version": "2.8.1",
"version": "2.8.2",
"author": {
"name": "brains (ssvlabs)"
},
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2 changes: 1 addition & 1 deletion plugins/brains/.codex-plugin/plugin.json
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"name": "brains",
"version": "2.8.1",
"version": "2.8.2",
"description": "Your personal memory layer for Codex: query Gmail, Calendar, Drive, and prior conversations, then build boards, automations, and workflows.",
"author": {
"name": "brains (ssvlabs)",
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2 changes: 1 addition & 1 deletion plugins/brains/hooks/claude-hooks.json
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
"hooks": {
"SessionStart": [
{
"matcher": "startup|resume|clear|compact",
"matcher": "startup|resume|clear|compact|fork",
"hooks": [
{
"type": "command",
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11 changes: 10 additions & 1 deletion tests/plugin-contract/run.ts
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Expand Up @@ -117,7 +117,7 @@ type HookGroup = {
const CLAUDE_HOOK_EVENTS: Record<string, HookGroup[]> = {
SessionStart: [
{
matcher: "startup|resume|clear|compact",
matcher: "startup|resume|clear|compact|fork",
hooks: [
{
type: "command",
Expand Down Expand Up @@ -986,6 +986,15 @@ for (const [label, source, expected] of [
// would reject adding them but would report it as a set mismatch; these say why.
assert(!codexEvents.includes("PostToolUseFailure"), "Codex does not support PostToolUseFailure");
assert(!codexEvents.includes("SessionEnd"), "Codex does not support SessionEnd");
// Not a claim about Codex at runtime — a CONFIGURATION pin recording why the two SessionStart
// matchers above differ, so the asymmetry reads as deliberate rather than as drift. Codex declares
// four SessionStart sources and no `fork` (codex-rs/hooks/src/events/session_start.rs); a forked
// Codex thread arrives as `startup` or `resume` depending on the fork path, and both are already
// matched. `fork` is Claude vocabulary only.
assert(
!(codexHooks.hooks.SessionStart[0].matcher ?? "").split("|").includes("fork"),
"Codex declares no fork SessionStart source — a forked Codex thread arrives as startup or resume, so `fork` here would pin a value Codex never emits",
);

for (const command of [...hookScripts(claudeHooks), ...hookScripts(codexHooks)]) {
const match = command.match(/hooks\/(brains-[a-z-]+\.sh)/);
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