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loop: add reload_runtime tool and auto-resume on /reload #45

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loop: add reload_runtime tool and auto-resume on /reload #45

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29 changes: 29 additions & 0 deletions extensions/loop.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -337,6 +337,22 @@ export default function loopExtension(pi: ExtensionAPI): void {
},
});

// LLM-callable reload tool. Tools get ExtensionContext (no ctx.reload),
// so queue a follow-up user command that triggers the reload-runtime command.
pi.registerTool({
name: "reload_runtime",
label: "Reload Runtime",
description: "Reload extensions, skills, prompts, and themes. Use this after modifying extension files so changes take effect during a loop.",
parameters: Type.Object({}),
async execute() {
pi.sendUserMessage("/reload-runtime", { deliverAs: "followUp" });
return {
content: [{ type: "text", text: "Queued /reload-runtime as a follow-up command. Extensions will reload when the current turn completes." }],
details: {},
};
},
});

pi.registerCommand("loop", {
description: "Start a follow-up loop until a breakout condition is met",
handler: async (args, ctx) => {
Expand Down Expand Up @@ -443,8 +459,21 @@ export default function loopExtension(pi: ExtensionAPI): void {
}
}

// Command entrypoint for reload. ctx.reload() is only available in CommandContext.
pi.registerCommand("reload-runtime", {
description: "Reload extensions, skills, prompts, and themes",
handler: async (_args, ctx) => {
await ctx.reload();
return;
},
});

pi.on("session_start", async (_event, ctx) => {
await restoreLoopState(ctx);
// If this is a reload (not first startup) and loop was active, auto-resume
if (loopState.active && _event.reason === "reload") {
triggerLoopPrompt(ctx);
}
});

pi.on("session_switch", async (_event: SessionSwitchEvent, ctx) => {
Expand Down