feat(caldav): add slot support for feed items

Adds three LLM-fillable slots to every CalDav feed item:
insight, preparation, and crossSource. Slot prompts are
stored in separate .txt files under src/prompts/ with
few-shot examples to steer the LLM away from restating
event details.

Co-authored-by: Ona <no-reply@ona.com>

packages/aris-source-weatherkit/scripts/query.ts

@@ -0,0 +1,181 @@
+#!/usr/bin/env bun
+
+/**
+ * Interactive CLI script to query WeatherKit directly.
+ * Prompts for credentials, coordinates, and optional settings,
+ * then prints the raw API response and processed feed items.
+ * Caches credentials locally and writes response JSON to a file.
+ *
+ * Usage: bun packages/aris-source-weatherkit/scripts/query.ts
+ */
+
+import { existsSync, mkdirSync, readFileSync, writeFileSync } from "node:fs"
+import { join } from "node:path"
+import { createInterface } from "node:readline/promises"
+
+import { Context } from "@aris/core"
+import { LocationKey } from "@aris/source-location"
+
+import { DefaultWeatherKitClient } from "../src/weatherkit"
+import { WeatherSource, Units } from "../src/weather-source"
+
+const SCRIPT_DIR = import.meta.dirname
+const CACHE_DIR = join(SCRIPT_DIR, ".cache")
+const CREDS_PATH = join(CACHE_DIR, "credentials.json")
+
+interface CachedCredentials {
+	teamId: string
+	serviceId: string
+	keyId: string
+	privateKey: string
+	lat?: number
+	lng?: number
+}
+
+function loadCachedCredentials(): CachedCredentials | null {
+	if (!existsSync(CREDS_PATH)) return null
+	try {
+		return JSON.parse(readFileSync(CREDS_PATH, "utf-8")) as CachedCredentials
+	} catch {
+		return null
+	}
+}
+
+function saveCachedCredentials(creds: CachedCredentials): void {
+	mkdirSync(CACHE_DIR, { recursive: true })
+	writeFileSync(CREDS_PATH, JSON.stringify(creds))
+}
+
+const rl = createInterface({ input: process.stdin, output: process.stdout })
+
+async function prompt(question: string, defaultValue?: string): Promise<string> {
+	const suffix = defaultValue ? ` [${defaultValue}]` : ""
+	const answer = await rl.question(`${question}${suffix}: `)
+	return answer.trim() || defaultValue || ""
+}
+
+async function main(): Promise<void> {
+	console.log("=== WeatherKit Query Tool ===\n")
+
+	const cached = loadCachedCredentials()
+
+	let teamId: string
+	let serviceId: string
+	let keyId: string
+	let privateKey: string
+
+	if (cached) {
+		console.log(`Using cached credentials from ${CREDS_PATH}`)
+		console.log(`  Team ID:    ${cached.teamId}`)
+		console.log(`  Service ID: ${cached.serviceId}`)
+		console.log(`  Key ID:     ${cached.keyId}\n`)
+
+		const useCached = await prompt("Use cached credentials? (y/n)", "y")
+		if (useCached.toLowerCase() === "y") {
+			teamId = cached.teamId
+			serviceId = cached.serviceId
+			keyId = cached.keyId
+			privateKey = cached.privateKey
+		} else {
+			;({ teamId, serviceId, keyId, privateKey } = await promptCredentials())
+		}
+	} else {
+		console.log(`Credentials will be cached to ${CREDS_PATH}\n`)
+		;({ teamId, serviceId, keyId, privateKey } = await promptCredentials())
+	}
+
+	// Location
+	const defaultLat = cached?.lat?.toString() ?? "37.7749"
+	const defaultLng = cached?.lng?.toString() ?? "-122.4194"
+	const lat = parseFloat(await prompt("Latitude", defaultLat))
+	const lng = parseFloat(await prompt("Longitude", defaultLng))
+
+	if (Number.isNaN(lat) || Number.isNaN(lng)) {
+		console.error("Invalid coordinates")
+		process.exit(1)
+	}
+
+	const credentials = { privateKey, keyId, teamId, serviceId }
+	saveCachedCredentials({ ...credentials, lat, lng })
+
+	// Options
+	const unitsInput = await prompt("Units (metric/imperial)", "metric")
+	const units = unitsInput === "imperial" ? Units.imperial : Units.metric
+
+	// Raw API query
+	console.log("\n--- Raw WeatherKit Response ---\n")
+	const client = new DefaultWeatherKitClient(credentials)
+	const raw = await client.fetch({ lat, lng })
+	console.log(JSON.stringify(raw, null, 2))
+
+	// Write JSON to file
+	const outPath = join(CACHE_DIR, "response.json")
+	writeFileSync(outPath, JSON.stringify(raw))
+	console.log(`\nResponse written to ${outPath}`)
+
+	// Processed feed items via WeatherSource
+	console.log("\n--- Processed Feed Items ---\n")
+	const source = new WeatherSource({ client, units })
+	const context = new Context()
+	context.set([[LocationKey, { lat, lng, accuracy: 10, timestamp: new Date() }]])
+
+	const items = await source.fetchItems(context)
+	for (const item of items) {
+		console.log(`[${item.type}] ${item.id}`)
+		console.log(`  signals: ${JSON.stringify(item.signals)}`)
+		if (item.slots) {
+			console.log(`  slots:`)
+			for (const [name, slot] of Object.entries(item.slots)) {
+				console.log(`    ${name}: "${slot.description}" -> ${slot.content ?? "(unfilled)"}`)
+			}
+		}
+		console.log(`  data: ${JSON.stringify(item.data, null, 4)}`)
+		console.log()
+	}
+
+	const feedPath = join(CACHE_DIR, "feed-items.json")
+	writeFileSync(feedPath, JSON.stringify(items, null, 2))
+	console.log(`Feed items written to ${feedPath}`)
+	console.log(`Total: ${items.length} items`)
+	rl.close()
+}
+
+async function promptCredentials(): Promise<CachedCredentials> {
+	const teamId = await prompt("Apple Team ID")
+	if (!teamId) {
+		console.error("Team ID is required")
+		process.exit(1)
+	}
+
+	const serviceId = await prompt("Service ID")
+	if (!serviceId) {
+		console.error("Service ID is required")
+		process.exit(1)
+	}
+
+	const keyId = await prompt("Key ID")
+	if (!keyId) {
+		console.error("Key ID is required")
+		process.exit(1)
+	}
+
+	console.log("\nPaste your private key (PEM format). Enter an empty line when done:")
+	const keyLines: string[] = []
+	for await (const line of rl) {
+		if (line.trim() === "") break
+		keyLines.push(line)
+	}
+	const privateKey = keyLines.join("\n")
+	if (!privateKey) {
+		console.error("Private key is required")
+		process.exit(1)
+	}
+
+	return { teamId, serviceId, keyId, privateKey }
+}
+
+main().catch((err) => {
+	console.error("Error:", err)
+	rl.close()
+	process.exit(1)
+})

packages/aris-source-weatherkit/src/prompts/current-weather-insight.txt

@@ -0,0 +1,7 @@
+Max 12 words. Plain language, no hedging. Now + what's next.
+
+Examples:
+- "Clear tonight, warming up. Rain by Saturday."
+- "Clearing soon with strong winds overnight. Light rain Thursday."
+- "Sunny all day. Grab sunscreen."
+- "Cloudy tonight, warming to 15°. Rain Monday."

packages/aris-source-weatherkit/src/weather-source.test.ts

@@ -176,6 +176,34 @@ describe("WeatherSource", () => {
 
 			expect(uniqueIds.size).toBe(ids.length)
 		})
+
+		test("current weather item has insight slot", async () => {
+			const source = new WeatherSource({ client: mockClient })
+			const context = createMockContext({ lat: 37.7749, lng: -122.4194 })
+
+			const items = await source.fetchItems(context)
+			const currentItem = items.find((i) => i.type === WeatherFeedItemType.Current)
+
+			expect(currentItem).toBeDefined()
+			expect(currentItem!.slots).toBeDefined()
+			expect(currentItem!.slots!.insight).toBeDefined()
+			expect(currentItem!.slots!.insight!.description).toBeString()
+			expect(currentItem!.slots!.insight!.description.length).toBeGreaterThan(0)
+			expect(currentItem!.slots!.insight!.content).toBeNull()
+		})
+
+		test("non-current items do not have slots", async () => {
+			const source = new WeatherSource({ client: mockClient })
+			const context = createMockContext({ lat: 37.7749, lng: -122.4194 })
+
+			const items = await source.fetchItems(context)
+			const nonCurrentItems = items.filter((i) => i.type !== WeatherFeedItemType.Current)
+
+			expect(nonCurrentItems.length).toBeGreaterThan(0)
+			for (const item of nonCurrentItems) {
+				expect(item.slots).toBeUndefined()
+			}
+		})
 	})
 
 	describe("no reactive methods", () => {

packages/aris-source-weatherkit/src/weather-source.ts

@@ -4,6 +4,7 @@ import { Context, TimeRelevance, UnknownActionError } from "@aris/core"
 import { LocationKey } from "@aris/source-location"
 
 import { WeatherFeedItemType, type WeatherFeedItem } from "./feed-items"
+import currentWeatherInsightPrompt from "./prompts/current-weather-insight.txt"
 import { WeatherKey, type Weather } from "./weather-context"
 import {
 	DefaultWeatherKitClient,
@@ -309,6 +310,12 @@ function createCurrentWeatherFeedItem(
 			windSpeed: convertSpeed(current.windSpeed, units),
 		},
 		signals,
+		slots: {
+			insight: {
+				description: currentWeatherInsightPrompt,
+				content: null,
+			},
+		},
 	}
 }