Add push noty script and docs

scripts/push-notification/README.md

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+# push-notification
+
+Sends sample APNS payloads to a booted iOS simulator via `xcrun simctl push`.
+Useful for exercising `useNotificationsHandler` (`src/lib/hooks/useNotificationHandler.ts`)
+without a real APNS round-trip — foreground display behavior, tap responses,
+and notification-driven navigation.
+
+## What this does and doesn't cover
+
+**Covers** — anything in `useNotificationsHandler`:
+
+- `setNotificationHandler` foreground behavior (banner, list, badge, sound flags)
+- `addNotificationResponseReceivedListener` tap handling
+- Account-switch flow when `recipientDid` differs from the signed-in account
+- Navigation routing for each `reason` (post threads, profiles, conversations)
+
+**Does not cover** — `BlueskyNSE` (the iOS Notification Service Extension):
+
+- Communication Notification styling for chat messages
+- Badge increment via `mutateWithBadge`
+- Custom `dm.aiff` sound for chat messages
+
+The simulator does not reliably invoke NSEs for `simctl push` on recent iOS
+versions (verified bypassed on iOS 26.4). To test NSE behavior, run on a real
+device with a real APNS push, or unit-test `NotificationService.didReceive`
+directly in Xcode.
+
+## Setup
+
+1. Boot an iOS simulator and install the app:
+   ```
+   yarn ios
+   ```
+2. Sign in to the account you'll be testing against. The `recipientDid` in
+   each payload is substituted at send time and must match the signed-in DID,
+   otherwise:
+   - Chat notifications trigger the account-switch flow
+   - Other reasons are silently dropped by the handler
+3. Find your DID. Easiest: visit your profile in a web browser and copy it
+   from the URL, or grep dev logs for `currentAccount`.
+
+## Usage
+
+```
+./send.sh <payload-name> [--did <did>] [--device <udid>] [--bundle <id>]
+```
+
+Pass the DID once via env var to avoid repeating it:
+
+```
+export BLUESKY_TEST_DID=did:plc:yourdidhere
+
+./send.sh like
+./send.sh chat-message
+./send.sh follow
+```
+
+Defaults: `--device booted`, `--bundle xyz.blueskyweb.app`. Run `./send.sh --help`
+for the full list of available payloads.
+
+## Foreground vs background
+
+`useNotificationsHandler` behaves differently depending on app state:
+
+- **Foreground** — `setNotificationHandler.handleNotification` decides whether
+  to show a banner, play a sound, etc. For chat reasons, the banner is
+  suppressed if `payload.convoId === currentConvoId` (you're already viewing
+  that conversation).
+- **Background or tapped** — `addNotificationResponseReceivedListener` fires
+  on tap and runs the navigation routing in `notificationToURL`.
+
+To test the response listener, background the app first (`cmd+shift+H` in the
+sim), send the push, then tap the banner.
+
+## Available payloads
+
+| Payload | Reason | Navigation target |
+|---|---|---|
+| `like.apns` | `like` | post thread (from `subject`) |
+| `reply.apns` | `reply` | post thread (from `uri`) |
+| `follow.apns` | `follow` | sender's profile (from `uri.host`) |
+| `chat-message.apns` | `chat-message` | `MessagesConversation` with `convoId` |
+| `chat-reaction.apns` | `chat-reaction` | `MessagesConversation` with `convoId` |
+
+The `subject` AT URIs reference fake post rkeys, so the destination screens
+will fail to load real content — that's expected. Routing exercises the
+navigation path, not the data fetch.
+
+## Adding a new payload
+
+1. Copy an existing `.apns` file in `payloads/` whose shape matches.
+2. Set `aps.mutable-content: 1` and a real `aps.alert.{title,body}`.
+3. Match the payload shape to `NotificationPayload` in
+   `src/lib/hooks/useNotificationHandler.ts` for the `reason` you're testing.
+4. Use `__RECIPIENT_DID__` as the placeholder for the recipient — `send.sh`
+   substitutes it at send time. Use it anywhere a DID needs to belong to the
+   logged-in user (typically `recipientDid`, and post `subject` for likes/replies).

scripts/push-notification/payloads/chat-message.apns

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+{
+  "aps": {
+    "alert": {
+      "title": "Ian",
+      "body": "Beep beep mfer"
+    },
+    "mutable-content": 1
+  },
+  "reason": "chat-message",
+  "convoId": "3mkb6y3tjzu2r",
+  "messageId": "3mkdjhe6sd227",
+  "recipientDid": "did:plc:3jpt2mvvsumj2r7eqk4gzzjz",
+  "senderDisplayName": "Ian",
+  "senderHandle": "iwsmith.bsky.social"
+}

scripts/push-notification/payloads/chat-reaction.apns

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+{
+  "aps": {
+    "alert": {
+      "title": "Alice Test",
+      "body": "reacted to your message"
+    },
+    "mutable-content": 1
+  },
+  "reason": "chat-reaction",
+  "convoId": "3kfakeconvo0001",
+  "messageId": "3kfakemsg0001",
+  "recipientDid": "__RECIPIENT_DID__",
+  "senderDisplayName": "Alice Test",
+  "senderHandle": "alice.test"
+}

scripts/push-notification/payloads/follow.apns

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+{
+  "aps": {
+    "alert": {
+      "title": "alice.test",
+      "body": "followed you"
+    },
+    "mutable-content": 1,
+    "sound": "default"
+  },
+  "reason": "follow",
+  "uri": "at://did:plc:senderdummy00000000000000/app.bsky.graph.follow/3kfakefollow001",
+  "subject": "at://__RECIPIENT_DID__",
+  "recipientDid": "__RECIPIENT_DID__"
+}

scripts/push-notification/payloads/like.apns

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+{
+  "aps": {
+    "alert": {
+      "title": "alice.test",
+      "body": "liked your post"
+    },
+    "mutable-content": 1,
+    "sound": "default"
+  },
+  "reason": "like",
+  "uri": "at://did:plc:senderdummy00000000000000/app.bsky.feed.like/3kfakelike0001",
+  "subject": "at://__RECIPIENT_DID__/app.bsky.feed.post/3kfakepost0001",
+  "recipientDid": "__RECIPIENT_DID__"
+}

scripts/push-notification/payloads/reply.apns

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+{
+  "aps": {
+    "alert": {
+      "title": "alice.test",
+      "body": "replied to your post"
+    },
+    "mutable-content": 1,
+    "sound": "default"
+  },
+  "reason": "reply",
+  "uri": "at://did:plc:senderdummy00000000000000/app.bsky.feed.post/3kfakereply0001",
+  "subject": "at://__RECIPIENT_DID__/app.bsky.feed.post/3kfakepost0001",
+  "recipientDid": "__RECIPIENT_DID__"
+}

scripts/push-notification/send.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+# Sends a sample APNS payload to a booted iOS simulator. Useful for testing
+# BlueskyNSE and useNotificationsHandler without a real APNS round-trip.
+#
+# Usage:
+#   scripts/push-test/send.sh <payload-name> [--did <did>] [--device <udid>] [--bundle <id>]
+#
+# Examples:
+#   scripts/push-test/send.sh like --did did:plc:abc123
+#   BLUESKY_TEST_DID=did:plc:abc123 scripts/push-test/send.sh chat-message
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PAYLOAD_DIR="$SCRIPT_DIR/payloads"
+
+device="booted"
+bundle="xyz.blueskyweb.app"
+did="${BLUESKY_TEST_DID:-}"
+name=""
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --did) did="$2"; shift 2;;
+    --device) device="$2"; shift 2;;
+    --bundle) bundle="$2"; shift 2;;
+    -h|--help)
+      cat <<EOF
+Usage: $0 <payload-name> [--did <did>] [--device <udid>] [--bundle <id>]
+
+Available payloads:
+$(ls "$PAYLOAD_DIR" 2>/dev/null | sed 's/\.apns$//' | sed 's/^/  /')
+
+Pass --did or set BLUESKY_TEST_DID to substitute the recipient DID. The DID
+must match the account currently signed in to the app, otherwise chat
+notifications will trigger an account-switch flow and other reasons will be
+silently dropped by the handler.
+EOF
+      exit 0
+      ;;
+    *)
+      if [[ -z "$name" ]]; then
+        name="$1"
+      else
+        echo "Unknown arg: $1" >&2
+        exit 1
+      fi
+      shift
+      ;;
+  esac
+done
+
+if [[ -z "$name" ]]; then
+  echo "Error: payload name required. Run with --help for options." >&2
+  exit 1
+fi
+
+src="$PAYLOAD_DIR/${name}.apns"
+if [[ ! -f "$src" ]]; then
+  echo "Error: payload not found: $src" >&2
+  echo "Available:" >&2
+  ls "$PAYLOAD_DIR" | sed 's/\.apns$//' | sed 's/^/  /' >&2
+  exit 1
+fi
+
+if [[ -z "$did" ]]; then
+  echo "Error: missing recipient DID. Pass --did or set BLUESKY_TEST_DID." >&2
+  echo "       The DID must match the account currently signed in to the app." >&2
+  exit 1
+fi
+
+tmp="$(mktemp -t bluesky-push.XXXXXX).apns"
+trap 'rm -f "$tmp"' EXIT
+sed "s|__RECIPIENT_DID__|$did|g" "$src" > "$tmp"
+
+echo "Pushing '$name' to $device ($bundle)"
+xcrun simctl push "$device" "$bundle" "$tmp"
+echo "Delivered."