house tracker: contact status per listing (whose turn, last message, viewing) and labelled filters

drizzle/20261025135327_house_contact/migration.sql

@@ -0,0 +1,17 @@
+ALTER TABLE "house"."listings" ADD COLUMN "contact_status" text;--> statement-breakpoint
+ALTER TABLE "house"."listings" ADD COLUMN "contact_at" timestamp with time zone;--> statement-breakpoint
+ALTER TABLE "house"."listings" ADD COLUMN "contact_by" text;--> statement-breakpoint
+ALTER TABLE "house"."listings" ADD COLUMN "contact_note" text;--> statement-breakpoint
+ALTER TABLE "house"."listings" ADD COLUMN "contact_ref" text;--> statement-breakpoint
+ALTER TABLE "house"."listings" ADD COLUMN "viewing_at" timestamp with time zone;--> statement-breakpoint
+CREATE INDEX "listings_contact_idx" ON "house"."listings" ("contact_status") WHERE contact_status IS NOT NULL;--> statement-breakpoint
+ALTER TABLE "house"."listings" ADD CONSTRAINT "listings_contact_status_check" CHECK (contact_status IS NULL OR contact_status IN ('waiting_on_me', 'not_contacted', 'waiting_on_them', 'viewing', 'closed'));--> statement-breakpoint
+ALTER TABLE "house"."listings" ADD CONSTRAINT "listings_contact_by_check" CHECK (contact_by IS NULL OR contact_by IN ('me', 'them'));--> statement-breakpoint
+-- house_cli (scripts/house-db.sh) has table-level rights on house.listings, which cover new
+-- columns; re-granted here so a fresh database gets the same. The role is created out of band.
+DO $$
+BEGIN
+  IF current_user = 'personal' AND EXISTS (SELECT 1 FROM pg_roles WHERE rolname = 'house_cli') THEN
+    GRANT SELECT, INSERT, UPDATE, DELETE ON house.listings TO house_cli;
+  END IF;
+END $$;

scripts/house-listing.ts

@@ -4,7 +4,9 @@
 //   bun run house add --url <link> --city Gouda --price 1422 --area 84 --bedrooms 2
 //   bun run house add --json listing.json        (or `--json -` for stdin; may be an array)
 //   bun run house update <id|url> --status viewing --notes "Sat 14:00"
-//   bun run house list [--all] [--city gouda] [--offer buy] [--json]
+//   bun run house update <id|url> --contact waiting_on_them --contact-at 2026-10-06 --contact-by me \
+//     --contact-note "Applied via form" --contact-ref "gmail thread …"
+//   bun run house list [--all] [--city gouda] [--offer buy] [--contact any|<s>] [--json]
 //   bun run house remove <id|url> [--hard]      (soft remove = marked gone)
 //   bun run house restore <id|url>
 //
@@ -37,7 +39,8 @@ const usage = `usage: bun run house <add|update|list|remove|restore> [options]
 
 add      [--json <file|->] [field flags]   insert, or update when the same link/address exists
 update   <id|url> [field flags]            change only the given fields (use "" to clear one)
-list     [--all] [--city <slug>] [--offer rent|buy] [--status <s>] [--limit n] [--json]
+list     [--all] [--city <slug>] [--offer rent|buy] [--status <s>] [--contact any|<s>]
+         [--limit n] [--json]
 remove   <id|url> [--hard]                 mark gone (or delete with --hard)
 restore  <id|url>                          undo a soft remove
 
@@ -47,6 +50,9 @@ field flags: --url --offer rent|buy --type apartment|house|room|studio|other --t
   --contract-type --agent --image-url --description --notes --status
   interested|contacted|viewing|applied|rejected --lat --lng --offered-at
   --first-seen (when it was shared) --source --source-id
+contact: --contact waiting_on_me|not_contacted|waiting_on_them|viewing|closed
+  --contact-at <date> (last message) --contact-by me|them --contact-note (one line)
+  --contact-ref (mail thread / chat) --viewing-at <date time>
 other:   --dry-run (print, don't write)`;
 
 const fieldFlags = [
@@ -80,7 +86,13 @@ const fieldFlags = [
 	'first-seen',
 	'source',
 	'source-id',
-	'external-id'
+	'external-id',
+	'contact',
+	'contact-at',
+	'contact-by',
+	'contact-note',
+	'contact-ref',
+	'viewing-at'
 ] as const;
 
 const { values: flags, positionals } = parseArgs({
@@ -145,7 +157,8 @@ const sql = postgres(dbUrl, { max: 1, onnotice: () => {} });
 type Tx = postgres.TransactionSql;
 
 const summary = sql`id, source, source_id, offer, property_type, title, city, city_slug,
-	price_eur, area_m2, rooms, bedrooms, status, removed_at, url`;
+	price_eur, area_m2, rooms, bedrooms, status, removed_at, url, contact_status, contact_at,
+	contact_by, contact_note, contact_ref, viewing_at`;
 
 async function findId(ref: string | undefined): Promise<number> {
 	if (!ref) throw new Error('give a listing id or url');
@@ -336,12 +349,20 @@ async function list() {
 	const city = flag('city');
 	const offer = flag('offer');
 	const status = flag('status');
+	const contact = flag('contact');
 	const rows = await sql`select ${summary}, first_seen_at, notes from house.listings
 		where true
 		${flag('all') ? sql`` : sql`and removed_at is null`}
 		${typeof city === 'string' ? sql`and city_slug = ${city}` : sql``}
 		${typeof offer === 'string' ? sql`and offer = ${offer}` : sql``}
 		${typeof status === 'string' ? sql`and status = ${status}` : sql``}
+		${
+			contact === 'any'
+				? sql`and contact_status is not null`
+				: typeof contact === 'string'
+					? sql`and contact_status = ${contact}`
+					: sql``
+		}
 		order by first_seen_at desc limit ${limit}`;
 	if (flag('json')) console.log(JSON.stringify(rows, null, 2));
 	else print(rows);
@@ -378,6 +399,17 @@ function print(rows: readonly Record<string, unknown>[]) {
 		console.log(
 			`${r.action ? `${r.action} ` : ''}#${r.id} [${r.source}] ${r.title ?? '(no title)'}, ${r.city ?? '?'} · ${bits.join(' · ')}\n    ${r.url}`
 		);
+		if (r.contact_status) {
+			const day = (d: unknown) => (d instanceof Date ? d.toISOString().slice(0, 16) : d);
+			const contact = [
+				r.contact_status,
+				r.viewing_at && `viewing ${day(r.viewing_at)}`,
+				r.contact_at && `last ${day(r.contact_at)}${r.contact_by ? ` by ${r.contact_by}` : ''}`,
+				r.contact_note,
+				r.contact_ref && `ref: ${r.contact_ref}`
+			].filter(Boolean);
+			console.log(`    contact: ${contact.join(' · ')}`);
+		}
 	}
 }
 

src/lib/house-tracker/manual.ts

@@ -6,6 +6,8 @@ import { siteKeyFromUrl } from './link-key';
 import { listingRef, parseEuros, parseInteger } from './pararius';
 import {
 	listingDetailSchema,
+	contactParties,
+	contactStatuses,
 	listingStatuses,
 	offers,
 	propertyTypes,
@@ -163,7 +165,13 @@ export const manualListingSchema = listingDetailSchema
 		offeredAt: lenientDate,
 		firstSeenAt: lenientDate,
 		status: z.enum(listingStatuses).nullish(),
-		notes: z.string().trim().max(2000).nullish()
+		notes: z.string().trim().max(2000).nullish(),
+		contactStatus: z.enum(contactStatuses).nullish(),
+		contactAt: lenientDate,
+		contactBy: z.enum(contactParties).nullish(),
+		contactNote: z.string().trim().max(500).nullish(),
+		contactRef: z.string().trim().max(500).nullish(),
+		viewingAt: lenientDate
 	});
 export type ManualListing = z.infer<typeof manualListingSchema>;
 
@@ -182,7 +190,8 @@ const fieldAliases: Record<string, string> = {
 	available: 'availableFrom',
 	seen: 'firstSeenAt',
 	firstSeen: 'firstSeenAt',
-	offered: 'offeredAt'
+	offered: 'offeredAt',
+	contact: 'contactStatus'
 };
 
 export function normalizeKeys(input: Record<string, unknown>): Record<string, unknown> {
@@ -242,19 +251,24 @@ export const columns = {
 	offeredAt: 'offered_at',
 	firstSeenAt: 'first_seen_at',
 	status: 'status',
-	notes: 'notes'
+	notes: 'notes',
+	contactStatus: 'contact_status',
+	contactAt: 'contact_at',
+	contactBy: 'contact_by',
+	contactNote: 'contact_note',
+	contactRef: 'contact_ref',
+	viewingAt: 'viewing_at'
 } as const satisfies Partial<Record<keyof ManualListing, string>>;
 
+const dateFields = new Set(['offeredAt', 'firstSeenAt', 'contactAt', 'viewingAt']);
+
 /** Only the columns the user actually gave; `null` clears a column on update. */
 export function toColumns(listing: ManualListing): Record<string, unknown> {
 	const out: Record<string, unknown> = {};
 	for (const [field, column] of Object.entries(columns)) {
 		const value = listing[field as keyof ManualListing];
 		if (value === undefined) continue;
-		out[column] =
-			value !== null && (field === 'offeredAt' || field === 'firstSeenAt')
-				? new Date(value as string)
-				: value;
+		out[column] = value !== null && dateFields.has(field) ? new Date(value as string) : value;
 	}
 	if (listing.city !== undefined) out.city_slug = citySlugFromName(listing.city);
 	return out;

src/lib/house-tracker/types.ts

@@ -61,6 +61,26 @@ export const listingStatuses = [
 ] as const;
 export type ListingStatus = (typeof listingStatuses)[number];
 
+// Where the conversation with the agent or landlord stands: whose turn it is.
+export const contactStatuses = [
+	'waiting_on_me',
+	'not_contacted',
+	'waiting_on_them',
+	'viewing',
+	'closed'
+] as const;
+export type ContactStatus = (typeof contactStatuses)[number];
+export const contactStatusLabels: Record<ContactStatus, string> = {
+	waiting_on_me: 'my turn',
+	not_contacted: 'not contacted',
+	waiting_on_them: 'waiting on them',
+	viewing: 'viewing planned',
+	closed: 'closed'
+};
+// Who sent the last message.
+export const contactParties = ['me', 'them'] as const;
+export type ContactParty = (typeof contactParties)[number];
+
 export const lanes = ['fast', 'slow'] as const;
 export type Lane = (typeof lanes)[number];
 

src/lib/server/db/schema/house-tracker.ts

@@ -83,11 +83,25 @@ export const houseListings = houseSchema.table(
 		lbmYear: integer('lbm_year'),
 		lbmDetail: jsonb('lbm_detail').$type<Liveability>(),
 		lbmQuery: text('lbm_query'),
-		lbmScoredAt: timestamptz('lbm_scored_at')
+		lbmScoredAt: timestamptz('lbm_scored_at'),
+		// Contact with the agent/landlord (see contactStatuses in house-tracker/types.ts):
+		// whose turn it is, the last message (when, from whom, a one-line summary), where the
+		// conversation lives (mail thread, chat) and the viewing time once one is planned.
+		contactStatus: text('contact_status'),
+		contactAt: timestamptz('contact_at'),
+		contactBy: text('contact_by'),
+		contactNote: text('contact_note'),
+		contactRef: text('contact_ref'),
+		viewingAt: timestamptz('viewing_at')
 	},
 	(table) => [
 		check('listings_offer_check', sql`offer IN ('rent', 'buy')`),
 		check('listings_price_eur_check', sql`price_eur IS NULL OR price_eur >= 0`),
+		check(
+			'listings_contact_status_check',
+			sql`contact_status IS NULL OR contact_status IN ('waiting_on_me', 'not_contacted', 'waiting_on_them', 'viewing', 'closed')`
+		),
+		check('listings_contact_by_check', sql`contact_by IS NULL OR contact_by IN ('me', 'them')`),
 		uniqueIndex('listings_source_idx').on(table.source, table.sourceId),
 		index('listings_active_idx')
 			.on(table.offer, table.firstSeenAt.desc().nullsFirst())
@@ -96,6 +110,9 @@ export const houseListings = houseSchema.table(
 		index('listings_details_idx')
 			.on(table.firstSeenAt.desc().nullsFirst())
 			.where(sql`detail_fetched_at IS NULL`),
+		index('listings_contact_idx')
+			.on(table.contactStatus)
+			.where(sql`contact_status IS NOT NULL`),
 		index('listings_address_idx')
 			.on(table.addressKey)
 			.where(sql`address_key IS NOT NULL`)

src/routes/trackers/houses/+page.server.ts

@@ -18,7 +18,12 @@ import { houseAlertRules, houseListings, houseWorkerRuns } from '#lib/server/db/
 import { requireOwner } from '#lib/server/owner.js';
 import { sendAlert } from '#lib/server/house-tracker.js';
 import { normalizeCity } from '#lib/house-tracker/alerts.js';
-import { listingStatuses, propertyTypes } from '#lib/house-tracker/types.js';
+import {
+	contactParties,
+	contactStatuses,
+	listingStatuses,
+	propertyTypes
+} from '#lib/house-tracker/types.js';
 import { dedupe } from '#lib/house-tracker/ingest.js';
 import { scoreListings } from '#lib/house-tracker/liveability.js';
 import {
@@ -59,6 +64,13 @@ export const load: PageServerLoad = async (event) => {
 	const source = (params.get('source') ?? '').replace(/[^a-z0-9-]/g, '');
 	const showRemoved = params.get('removed') === '1';
 	const status = params.get('status') ?? '';
+	// Contact view: every listing with a contact status (or one status), whatever the other
+	// filters say, so a conversation never hides behind a price or size limit.
+	const contactParam = params.get('contact') ?? '';
+	const contact =
+		contactParam === 'any' || (contactStatuses as readonly string[]).includes(contactParam)
+			? contactParam
+			: '';
 	const q = (params.get('q') ?? '').trim().slice(0, 80);
 	// Leefbaarometer class 1-9; listings without a score are hidden while this is set.
 	const minLbm = int(params.get('lbm'));
@@ -66,22 +78,27 @@ export const load: PageServerLoad = async (event) => {
 		? (params.get('sort') as string)
 		: 'new';
 
-	const where: (SQL | undefined)[] = [
-		eq(houseListings.offer, offer),
-		// Copies of the same home on another source are listed under the original.
-		isNull(houseListings.duplicateOf)
-	];
-	if (city === 'region') where.push(inArray(houseListings.citySlug, [...REGION]));
-	else if (city) where.push(eq(houseListings.citySlug, city));
-	if (minArea != null)
-		where.push(or(isNull(houseListings.areaM2), gte(houseListings.areaM2, minArea)));
-	if (minRooms != null)
-		where.push(or(isNull(houseListings.rooms), gte(houseListings.rooms, minRooms)));
-	if (source) where.push(eq(houseListings.source, source));
-	if (min != null) where.push(gte(houseListings.priceEur, min));
-	if (max != null) where.push(lte(houseListings.priceEur, max));
-	if (minLbm != null && minLbm > 0) where.push(gte(houseListings.lbmClass, minLbm));
-	if (!showRemoved) where.push(isNull(houseListings.removedAt));
+	const where: (SQL | undefined)[] = [];
+	if (contact === 'any') where.push(sql`${houseListings.contactStatus} IS NOT NULL`);
+	else if (contact) where.push(eq(houseListings.contactStatus, contact));
+	else {
+		where.push(
+			eq(houseListings.offer, offer),
+			// Copies of the same home on another source are listed under the original.
+			isNull(houseListings.duplicateOf)
+		);
+		if (city === 'region') where.push(inArray(houseListings.citySlug, [...REGION]));
+		else if (city) where.push(eq(houseListings.citySlug, city));
+		if (minArea != null)
+			where.push(or(isNull(houseListings.areaM2), gte(houseListings.areaM2, minArea)));
+		if (minRooms != null)
+			where.push(or(isNull(houseListings.rooms), gte(houseListings.rooms, minRooms)));
+		if (source) where.push(eq(houseListings.source, source));
+		if (min != null) where.push(gte(houseListings.priceEur, min));
+		if (max != null) where.push(lte(houseListings.priceEur, max));
+		if (minLbm != null && minLbm > 0) where.push(gte(houseListings.lbmClass, minLbm));
+		if (!showRemoved) where.push(isNull(houseListings.removedAt));
+	}
 	if (status === 'any') where.push(sql`${houseListings.status} IS NOT NULL`);
 	else if ((listingStatuses as readonly string[]).includes(status))
 		where.push(eq(houseListings.status, status));
@@ -108,8 +125,14 @@ export const load: PageServerLoad = async (event) => {
 			desc(houseListings.firstSeenAt)
 		]
 	}[sort]!;
+	// Contact view: my turn first, then by status, newest message first.
+	const contactOrder = [
+		sql`array_position(${sql.raw(`ARRAY[${contactStatuses.map((s) => `'${s}'`).join(', ')}]`)}::text[], ${houseListings.contactStatus})`,
+		sql`${houseListings.viewingAt} ASC NULLS LAST`,
+		sql`${houseListings.contactAt} DESC NULLS LAST`
+	];
 
-	const [listings, cities, stats, rules, runs, health] = await Promise.all([
+	const [listings, cities, stats, rules, runs, health, contactCounts] = await Promise.all([
 		db
 			.select({
 				id: houseListings.id,
@@ -147,11 +170,18 @@ export const load: PageServerLoad = async (event) => {
 				lbmPrecision: houseListings.lbmPrecision,
 				lbmBuurtName: houseListings.lbmBuurtName,
 				lbmYear: houseListings.lbmYear,
-				lbmDetail: houseListings.lbmDetail
+				lbmDetail: houseListings.lbmDetail,
+				offer: houseListings.offer,
+				contactStatus: houseListings.contactStatus,
+				contactAt: houseListings.contactAt,
+				contactBy: houseListings.contactBy,
+				contactNote: houseListings.contactNote,
+				contactRef: houseListings.contactRef,
+				viewingAt: houseListings.viewingAt
 			})
 			.from(houseListings)
 			.where(and(...where))
-			.orderBy(...order)
+			.orderBy(...(contact ? contactOrder : order))
 			.limit(400),
 		db.execute(sql`SELECT city_slug AS slug, min(city) AS name,
 				count(*) FILTER (WHERE removed_at IS NULL)::int AS active
@@ -181,7 +211,9 @@ export const load: PageServerLoad = async (event) => {
 					FROM house.listings WHERE first_seen_lane = 'fast' AND offered_at IS NOT NULL
 					AND first_seen_at >= offered_at AND first_seen_at - offered_at < interval '3 days'
 					AND first_seen_at > now() - interval '30 days')
-					AS median_detect_minutes`)
+					AS median_detect_minutes`),
+		db.execute(sql`SELECT contact_status AS status, count(*)::int AS count
+			FROM house.listings WHERE contact_status IS NOT NULL GROUP BY contact_status`)
 	]);
 
 	const ids = listings.map((row) => row.id);
@@ -221,6 +253,7 @@ export const load: PageServerLoad = async (event) => {
 			source,
 			showRemoved,
 			status,
+			contact,
 			q,
 			sort
 		},
@@ -246,6 +279,13 @@ export const load: PageServerLoad = async (event) => {
 			median_detect_minutes: number | null;
 		},
 		statuses: listingStatuses,
+		contactStatuses,
+		contactCounts: Object.fromEntries(
+			(contactCounts as unknown as { status: string; count: number }[]).map((row) => [
+				row.status,
+				row.count
+			])
+		) as Partial<Record<(typeof contactStatuses)[number], number>>,
 		propertyTypes
 	};
 };
@@ -257,6 +297,30 @@ const nullableInt = (value: FormDataEntryValue | null) => {
 	return Number.isInteger(n) && n >= 0 && n < 100_000_000 ? n : undefined;
 };
 
+/** "2026-10-25" or "2026-10-25T14:00" (a date/datetime-local input) read as Amsterdam time. */
+function amsterdamTime(value: string | null): Date | null | undefined {
+	if (!value) return null;
+	const match = /^(\d{4})-(\d{2})-(\d{2})(?:T(\d{2}):(\d{2}))?$/.exec(value);
+	if (!match) return undefined;
+	const [, y, mo, d, h = '12', mi = '00'] = match;
+	const asUtc = Date.UTC(+y, +mo - 1, +d, +h, +mi);
+	const parts = Object.fromEntries(
+		new Intl.DateTimeFormat('en-GB', {
+			timeZone: 'Europe/Amsterdam',
+			hourCycle: 'h23',
+			year: 'numeric',
+			month: '2-digit',
+			day: '2-digit',
+			hour: '2-digit',
+			minute: '2-digit'
+		})
+			.formatToParts(new Date(asUtc))
+			.map((p) => [p.type, p.value])
+	);
+	const shown = Date.UTC(+parts.year, +parts.month - 1, +parts.day, +parts.hour, +parts.minute);
+	return new Date(asUtc - (shown - asUtc));
+}
+
 export const actions: Actions = {
 	status: async (event) => {
 		requireOwner(event);
@@ -275,6 +339,38 @@ export const actions: Actions = {
 			.where(eq(houseListings.id, id));
 		return { ok: true };
 	},
+	contact: async (event) => {
+		requireOwner(event);
+		const form = await event.request.formData();
+		const id = Number(form.get('id'));
+		const text = (name: string, max: number) =>
+			String(form.get(name) ?? '')
+				.trim()
+				.slice(0, max) || null;
+		const contactStatus = text('contactStatus', 40);
+		const contactBy = text('contactBy', 10);
+		if (!Number.isInteger(id) || id <= 0) return fail(400, { message: 'Invalid listing' });
+		if (contactStatus && !(contactStatuses as readonly string[]).includes(contactStatus))
+			return fail(400, { message: 'Invalid contact status' });
+		if (contactBy && !(contactParties as readonly string[]).includes(contactBy))
+			return fail(400, { message: 'Invalid sender' });
+		const contactAt = amsterdamTime(text('contactAt', 30));
+		const viewingAt = amsterdamTime(text('viewingAt', 30));
+		if (contactAt === undefined || viewingAt === undefined)
+			return fail(400, { message: 'Invalid date' });
+		await db
+			.update(houseListings)
+			.set({
+				contactStatus,
+				contactAt,
+				contactBy,
+				contactNote: text('contactNote', 500),
+				contactRef: text('contactRef', 500),
+				viewingAt
+			})
+			.where(eq(houseListings.id, id));
+		return { ok: true };
+	},
 	addManual: async (event) => {
 		requireOwner(event);
 		const form = await event.request.formData();

src/routes/trackers/houses/+page.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
 	import { enhance } from '$app/forms';
+	import { resolve } from '$app/paths';
 	import { onMount } from 'svelte';
 	import ExternalLink from 'lucide-svelte/icons/external-link';
 	import BellRing from 'lucide-svelte/icons/bell-ring';
@@ -18,6 +19,11 @@
 		type LbmDimension,
 		type Liveability
 	} from '#lib/house-tracker/liveability.js';
+	import {
+		contactParties,
+		contactStatusLabels,
+		type ContactStatus
+	} from '#lib/house-tracker/types.js';
 	import type { PageProps } from './$types';
 
 	let { data, form }: PageProps = $props();
@@ -43,9 +49,42 @@
 		minute: '2-digit'
 	});
 	const suffix = $derived(data.filters.offer === 'rent' ? '/mo' : '');
+	const priceWord = $derived(data.filters.offer === 'rent' ? 'Rent' : 'Price');
+	const field = 'grid gap-0.5 text-[11px] text-muted-foreground';
+	const day = new Intl.DateTimeFormat('nl-NL', {
+		timeZone: 'Europe/Amsterdam',
+		day: 'numeric',
+		month: 'short'
+	});
+	const contactColour: Record<ContactStatus, string> = {
+		waiting_on_me: 'bg-red-600 text-white',
+		not_contacted: 'bg-amber-400 text-black',
+		waiting_on_them: 'bg-sky-600 text-white',
+		viewing: 'bg-green-600 text-white',
+		closed: 'bg-muted text-muted-foreground'
+	};
+	// Value for a date / datetime-local input, in Amsterdam time.
+	function inputValue(value: Date | string | null, withTime: boolean) {
+		if (!value) return '';
+		const parts = Object.fromEntries(
+			new Intl.DateTimeFormat('en-GB', {
+				timeZone: 'Europe/Amsterdam',
+				hourCycle: 'h23',
+				year: 'numeric',
+				month: '2-digit',
+				day: '2-digit',
+				hour: '2-digit',
+				minute: '2-digit'
+			})
+				.formatToParts(new Date(value))
+				.map((p) => [p.type, p.value])
+		);
+		const date = `${parts.year}-${parts.month}-${parts.day}`;
+		return withTime ? `${date}T${parts.hour}:${parts.minute}` : date;
+	}
 
-	function price(value: number | null) {
-		return value == null ? 'on request' : `${euro.format(value)}${suffix}`;
+	function price(value: number | null, offer: string = data.filters.offer) {
+		return value == null ? 'on request' : `${euro.format(value)}${offer === 'rent' ? '/mo' : ''}`;
 	}
 	function minutes(from: Date | string | null, to: Date | string | null) {
 		if (!from || !to) return null;
@@ -145,66 +184,140 @@
 		</div>
 	</div>
 
-	<form method="GET" class="mb-4 grid grid-cols-2 gap-2 sm:grid-cols-4 lg:grid-cols-8">
-		<NativeSelect name="offer" value={data.filters.offer} aria-label="Rent or buy">
-			<option value="rent">rent</option>
-			<option value="buy">buy</option>
-		</NativeSelect>
-		<NativeSelect name="city" value={data.filters.city} aria-label="City">
-			<option value="region">Gouda region</option>
-			<option value="">all cities</option>
-			{#each data.cities as city (city.slug)}
-				<option value={city.slug}>{city.name ?? city.slug} ({city.active})</option>
-			{/each}
-		</NativeSelect>
-		<Input name="min" type="number" min="0" placeholder="min €" value={data.filters.min ?? ''} />
-		<Input name="max" type="number" min="0" placeholder="max €" value={data.filters.max ?? ''} />
-		<Input
-			name="area"
-			type="number"
-			min="0"
-			placeholder="min m²"
-			value={data.filters.minArea ?? ''}
-		/>
-		<Input
-			name="rooms"
-			type="number"
-			min="0"
-			placeholder="min rooms"
-			value={data.filters.minRooms ?? ''}
-		/>
-		<NativeSelect name="lbm" value={String(data.filters.minLbm ?? '')} aria-label="Min liveability">
-			<option value="">any liveability</option>
-			{#each [5, 6, 7, 8] as k (k)}
-				<option value={String(k)}>≥ {k} {lbmClassLabel(k)}</option>
-			{/each}
-		</NativeSelect>
-		<NativeSelect name="source" value={data.filters.source} aria-label="Source">
-			<option value="">all sources</option>
-			{#each data.sources as row (row.source)}
-				<option value={row.source}>{row.source} ({row.active})</option>
-			{/each}
-		</NativeSelect>
-		<Input name="q" placeholder="street, area, agent" value={data.filters.q} class="col-span-2" />
-		<NativeSelect name="sort" value={data.filters.sort} aria-label="Sort">
-			<option value="new">newest</option>
-			<option value="price">cheapest</option>
-			<option value="ppm2">cheapest per m²</option>
-			<option value="area">biggest</option>
-			<option value="lbm">best neighbourhood</option>
-		</NativeSelect>
-		<NativeSelect name="status" value={data.filters.status} aria-label="My status">
-			<option value="">any status</option>
-			<option value="any">tracked only</option>
-			{#each data.statuses as status (status)}<option value={status}>{status}</option>{/each}
-		</NativeSelect>
-		<label class="col-span-2 flex items-center gap-2 text-sm">
-			<input type="checkbox" name="removed" value="1" checked={data.filters.showRemoved} />
-			include listings that are gone
+	<form method="GET" class="mb-4 grid grid-cols-2 items-end gap-2 sm:grid-cols-4 lg:grid-cols-8">
+		<label class={field}>
+			<span>Rent or buy</span>
+			<NativeSelect name="offer" value={data.filters.offer}>
+				<option value="rent">rent</option>
+				<option value="buy">buy</option>
+			</NativeSelect>
 		</label>
-		<Button type="submit" class="col-span-2 sm:col-span-1">filter</Button>
+		<label class={field}>
+			<span>City</span>
+			<NativeSelect name="city" value={data.filters.city}>
+				<option value="region">Gouda region</option>
+				<option value="">all cities</option>
+				{#each data.cities as city (city.slug)}
+					<option value={city.slug}>{city.name ?? city.slug} ({city.active})</option>
+				{/each}
+			</NativeSelect>
+		</label>
+		<label class={field}>
+			<span>{priceWord} from €{suffix}</span>
+			<Input name="min" type="number" min="0" placeholder="no min" value={data.filters.min ?? ''} />
+		</label>
+		<label class={field}>
+			<span>{priceWord} up to €{suffix}</span>
+			<Input name="max" type="number" min="0" placeholder="no max" value={data.filters.max ?? ''} />
+		</label>
+		<label class={field} title="Living area. Listings without a size are kept.">
+			<span>Min living area m²</span>
+			<Input
+				name="area"
+				type="number"
+				min="0"
+				placeholder="any"
+				value={data.filters.minArea ?? ''}
+			/>
+		</label>
+		<label
+			class={field}
+			title="Total rooms (living room included), not bedrooms. Listings without a room count are kept."
+		>
+			<span>Min rooms (total)</span>
+			<Input
+				name="rooms"
+				type="number"
+				min="0"
+				placeholder="any"
+				value={data.filters.minRooms ?? ''}
+			/>
+		</label>
+		<label class={field}>
+			<span>Liveability</span>
+			<NativeSelect name="lbm" value={String(data.filters.minLbm ?? '')}>
+				<option value="">any</option>
+				{#each [5, 6, 7, 8] as k (k)}
+					<option value={String(k)}>≥ {k} {lbmClassLabel(k)}</option>
+				{/each}
+			</NativeSelect>
+		</label>
+		<label class={field}>
+			<span>Source</span>
+			<NativeSelect name="source" value={data.filters.source}>
+				<option value="">all sources</option>
+				{#each data.sources as row (row.source)}
+					<option value={row.source}>{row.source} ({row.active})</option>
+				{/each}
+			</NativeSelect>
+		</label>
+		<label class={[field, 'col-span-2']}>
+			<span>Search</span>
+			<Input name="q" placeholder="street, area, agent" value={data.filters.q} />
+		</label>
+		<label class={field}>
+			<span>Sort</span>
+			<NativeSelect name="sort" value={data.filters.sort}>
+				<option value="new">newest</option>
+				<option value="price">cheapest</option>
+				<option value="ppm2">cheapest per m²</option>
+				<option value="area">biggest</option>
+				<option value="lbm">best neighbourhood</option>
+			</NativeSelect>
+		</label>
+		<label class={field}>
+			<span>My status</span>
+			<NativeSelect name="status" value={data.filters.status}>
+				<option value="">any</option>
+				<option value="any">tracked only</option>
+				{#each data.statuses as status (status)}<option value={status}>{status}</option>{/each}
+			</NativeSelect>
+		</label>
+		<label
+			class={field}
+			title="Set: shows every listing with that contact status and ignores the other filters"
+		>
+			<span>Contact status</span>
+			<NativeSelect name="contact" value={data.filters.contact}>
+				<option value="">any</option>
+				<option value="any">in contact (all)</option>
+				{#each data.contactStatuses as status (status)}
+					<option value={status}>{contactStatusLabels[status]}</option>
+				{/each}
+			</NativeSelect>
+		</label>
+		<label class="flex h-9 items-center gap-2 text-xs">
+			<input type="checkbox" name="removed" value="1" checked={data.filters.showRemoved} />
+			include gone
+		</label>
+		<Button type="submit">filter</Button>
 	</form>
 
+	<nav class="mb-4 flex flex-wrap items-center gap-2 text-xs" aria-label="Contact status">
+		<span class="text-muted-foreground">contact:</span>
+		{#each data.contactStatuses as status (status)}
+			<a
+				href={`${resolve('/trackers/houses')}?contact=${status}`}
+				class={[
+					'rounded px-2 py-0.5 font-medium',
+					contactColour[status],
+					data.filters.contact === status && 'ring-2 ring-foreground'
+				]}>{contactStatusLabels[status]} · {data.contactCounts[status] ?? 0}</a
+			>
+		{/each}
+		<a
+			href={`${resolve('/trackers/houses')}?contact=any`}
+			class="text-muted-foreground underline-offset-2 hover:underline">all contacts</a
+		>
+		{#if data.filters.contact}
+			<a
+				href={resolve('/trackers/houses')}
+				class="text-muted-foreground underline-offset-2 hover:underline">back to all listings</a
+			>
+			<span class="text-muted-foreground">(other filters are ignored in this view)</span>
+		{/if}
+	</nav>
+
 	<ListingMap
 		listings={data.listings}
 		offer={data.filters.offer}
@@ -249,7 +362,7 @@
 							<ExternalLink class="size-3.5 text-muted-foreground" />
 						</a>
 						<span class="font-semibold tabular-nums">
-							{price(listing.priceEur)}
+							{price(listing.priceEur, listing.offer)}
 							{#if listing.totalPriceEur && listing.totalPriceEur !== listing.priceEur}
 								<span class="text-xs font-normal text-muted-foreground"
 									>({euro.format(listing.totalPriceEur)} total)</span
@@ -325,11 +438,108 @@
 						{#each listing.copies as copy (copy.id)}
 							<a href={copy.url} target="_blank" rel="noreferrer" class="underline"
 								>also on {copy.source}{copy.priceEur != null && copy.priceEur !== listing.priceEur
-									? ` (${price(copy.priceEur)})`
+									? ` (${price(copy.priceEur, listing.offer)})`
 									: ''}{copy.removedAt ? ', gone' : ''}</a
 							>
 						{/each}
 					</div>
+					{#if listing.contactStatus}
+						{@const status = listing.contactStatus as ContactStatus}
+						<div class="mt-1 flex flex-wrap items-center gap-x-2 gap-y-1 text-xs">
+							<span
+								class={['rounded px-1.5 py-0.5 font-medium', contactColour[status]]}
+								title="contact status"
+							>
+								{contactStatusLabels[status] ?? status}{status === 'viewing' && listing.viewingAt
+									? ` ${clock.format(new Date(listing.viewingAt))}`
+									: ''}
+							</span>
+							{#if listing.contactAt}
+								<span class="text-muted-foreground"
+									>last {day.format(new Date(listing.contactAt))}{listing.contactBy
+										? listing.contactBy === 'me'
+											? ' by me'
+											: ' by them'
+										: ''}</span
+								>
+							{/if}
+							{#if listing.contactNote}<span>{listing.contactNote}</span>{/if}
+							{#if listing.contactRef}
+								<span class="text-muted-foreground" title="where the conversation is"
+									>↳ {listing.contactRef}</span
+								>
+							{/if}
+						</div>
+					{/if}
+					<details class="mt-1 text-xs">
+						<summary class="cursor-pointer text-muted-foreground">
+							{listing.contactStatus ? 'edit contact' : 'add contact'}
+						</summary>
+						<form
+							method="POST"
+							action="?/contact"
+							use:enhance={() =>
+								async ({ update }) =>
+									update({ reset: false, refreshAll: false })}
+							class="mt-1 grid grid-cols-2 gap-2 sm:grid-cols-4"
+						>
+							<input type="hidden" name="id" value={listing.id} />
+							<label class={field}>
+								<span>Contact status</span>
+								<NativeSelect name="contactStatus" value={listing.contactStatus ?? ''} class="h-8">
+									<option value="">none</option>
+									{#each data.contactStatuses as status (status)}
+										<option value={status}>{contactStatusLabels[status]}</option>
+									{/each}
+								</NativeSelect>
+							</label>
+							<label class={field}>
+								<span>Last message</span>
+								<Input
+									name="contactAt"
+									type="date"
+									class="h-8"
+									value={inputValue(listing.contactAt, false)}
+								/>
+							</label>
+							<label class={field}>
+								<span>Sent by</span>
+								<NativeSelect name="contactBy" value={listing.contactBy ?? ''} class="h-8">
+									<option value="">?</option>
+									{#each contactParties as party (party)}<option value={party}>{party}</option
+										>{/each}
+								</NativeSelect>
+							</label>
+							<label class={field}>
+								<span>Viewing</span>
+								<Input
+									name="viewingAt"
+									type="datetime-local"
+									class="h-8"
+									value={inputValue(listing.viewingAt, true)}
+								/>
+							</label>
+							<label class={[field, 'col-span-2']}>
+								<span>One-line note</span>
+								<Input
+									name="contactNote"
+									maxlength={500}
+									class="h-8"
+									value={listing.contactNote ?? ''}
+								/>
+							</label>
+							<label class={field}>
+								<span>Where (thread, chat)</span>
+								<Input
+									name="contactRef"
+									maxlength={500}
+									class="h-8"
+									value={listing.contactRef ?? ''}
+								/>
+							</label>
+							<Button type="submit" size="sm" variant="outline" class="self-end">save</Button>
+						</form>
+					</details>
 					<details class="mt-1 text-xs" open={Boolean(listing.notes)}>
 						<summary class="cursor-pointer text-muted-foreground">
 							{listing.notes ? 'notes' : 'add notes'}