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fix(plugin): per-session project detection from session.created directory #749

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fix(plugin): per-session project detection from session.created directory #749

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ca4dbdb
fix(plugin): per-session project detection from session.created direc…
Acharnite May 31, 2026
58d1abe
fix(plugin): add runtime validation for info?.directory + docstrings
Acharnite Jun 1, 2026
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22 changes: 19 additions & 3 deletions plugin/opencode/agentmemory-capture.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ async function post(path: string, body: Record<string, unknown>, timeoutMs = 500
}
}

/** POST JSON to the agentmemory daemon and parse the JSON response. Returns null on failure. */
async function postJson(path: string, body: Record<string, unknown>): Promise<unknown | null> {
try {
const res = await fetch(`${API}/agentmemory${path}`, {
Expand Down Expand Up @@ -167,8 +168,16 @@ function extractErrorMessage(err: unknown): string {
return String(err ?? "");
}

/**
* Agentmemory capture plugin for OpenCode.
*
* Captures session events (session.created, tool.use, etc.) and forwards them
* to the agentmemory daemon for persistent memory storage. The plugin determines
* the project path from the workspace context at init time, with per-session
* override from the `session.created` event's directory field.
*/
export const AgentmemoryCapturePlugin: Plugin = async (ctx) => {
projectPath = ctx.worktree || ctx.project?.id || process.cwd();
projectPath = ctx.worktree || ctx.project?.worktree || ctx.directory || process.cwd();

return {
event: async ({ event }) => {
Expand All @@ -188,13 +197,20 @@ export const AgentmemoryCapturePlugin: Plugin = async (ctx) => {
// and another `session.created` event during the await could
// rebind it, causing context to be cached against the wrong key.
const sessionId = activeSessionId;
// Use session-specific directory if available and valid;
// fall back to the init-time projectPath otherwise.
// Runtime validation (typeof + length) avoids sending invalid
// values to the /session/start backend.
const sessionProject = (typeof info?.directory === 'string' && info.directory.length > 0)
? info.directory
: projectPath;
const startResult = await postJson("/session/start", {
sessionId,
title: info?.title ?? null,
parentID: info?.parentID ?? null,
version: info?.version ?? null,
project: projectPath,
cwd: projectPath,
project: sessionProject,
cwd: sessionProject,
});
// cache the context returned at session/start so the
// chat.system.transform hook injects it without a second fetch.
Expand Down