docs: update web WiFi setup plan checklist with progress

1 files changed, 17 insertions, 3 deletions

diff --git a/WEB_WIFI_SETUP_PLAN.md b/WEB_WIFI_SETUP_PLAN.md
index 1a3f742..b80ec3a 100644
--- a/WEB_WIFI_SETUP_PLAN.md
+++ b/WEB_WIFI_SETUP_PLAN.md
@@ -13,11 +13,11 @@ WiFi setup.
 
 | State | When | Content |
 |-------|------|---------|
-| BOOT | Startup | "TollGate" title + "starting..." |
+| BOOT | Startup | WiFi QR + "TollGate" title + SSID + status |
 | READY (unconfigured) | No STA network | AP WiFi QR + SSID + "http://AP_IP/setup" |
 | READY (configured) | STA connected | QR cycling (WiFi↔Portal) + balance/clients/price |
 | PAYMENT_RECEIVED | After payment | "ACCESS GRANTED" + amount + time (3s then→READY) |
-| ERROR | No upstream | "NO UPSTREAM" + "http://AP_IP/setup" |
+| ERROR | No upstream | WiFi QR + "NO UPSTREAM" + SSID + setup URL |
 
 ### Captive Portal (new endpoints)
 
@@ -53,6 +53,8 @@ WiFi setup.
 - [x] Update `display.h` — remove `DISPLAY_WIFI_SETUP`, `display_enter_wifi_setup()`
 - [x] Add setup URL text to READY (unconfigured) and ERROR screens
 - [x] Remove WiFi setup auto-enter from `tollgate_main.c`
+- [x] Add WiFi QR code to BOOT screen (scan to connect)
+- [x] Add WiFi QR code to ERROR screen
 
 ### Phase 2: Add web WiFi setup
 - [x] Add `/wifi/scan` endpoint to `captive_portal.c`
@@ -64,9 +66,21 @@ WiFi setup.
 ### Phase 3: Build configuration
 - [x] Remove touch.c, keyboard.c, wifi_setup.c from `main/CMakeLists.txt`
 
-### Phase 4: Testing
+### Phase 4: Testing and fixes
 - [x] `make test-unit` passes
 - [x] Build succeeds (`idf.py build`)
 - [x] Flash to Board C, verify portrait display shows setup URL
+- [x] Fix: display stuck at BOOT when WiFi configured but unreachable
+  - Added `s_total_retries` counter (MAX_TOTAL_RETRIES=10)
+  - Transitions to DISPLAY_ERROR after all retries exhausted
+- [x] WiFi QR code visible on BOOT and ERROR screens (hardware verified)
 - [ ] Test `/setup` page from phone browser
 - [x] Write integration test `tests/integration/wifi_setup.mjs`
+
+## Commits
+
+| Hash | Message |
+|------|---------|
+| `aa58b47` | feat: web-based WiFi setup via captive portal, portrait-only display |
+| `2e65cdf` | fix: transition display to ERROR after WiFi retries exhausted |
+| `cf4ac1b` | feat: add WiFi QR code to BOOT and ERROR screens |