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<title>npub12m5exm2uk3xa674cc5r0hlyvccs5xxn7qv83ezuteefv5972nquq4j4szl/esp32-tollgate/main/config.c, branch feature/display-fix</title>
<subtitle>[no description]</subtitle>
<id>https://upleb.uk/npub12m5exm2uk3xa674cc5r0hlyvccs5xxn7qv83ezuteefv5972nquq4j4szl/esp32-tollgate/atom?h=feature%2Fdisplay-fix</id>
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<updated>2026-05-18T18:06:29+00:00</updated>
<entry>
<title>fix: prevent IntegerDivideByZero in config_get_next_wifi when no networks</title>
<updated>2026-05-18T18:06:29+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-18T18:06:29+00:00</published>
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<id>urn:sha1:9ff7cffcff11237288cfddecee2684f499d23ddf</id>
<content type='text'>
- Check network_count == 0 before modulo operation
- Disconnect STA before WiFi scan to avoid 'STA is connecting, scan not allowed'
- Add error handling for failed WiFi scans
- This fixes the crash/restart loop on Board C with no configured WiFi
</content>
</entry>
<entry>
<title>feat: add WiFi setup state machine + config_add_wifi with unit tests</title>
<updated>2026-05-18T17:19:34+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-18T17:19:34+00:00</published>
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<id>urn:sha1:eb2ae72d91a4b2ec0333a2e6d18eeeeee6b60464</id>
<content type='text'>
</content>
</entry>
<entry>
<title>fix: EVENT msg buffer underflow + WS write loop + WPA3 auth</title>
<updated>2026-05-18T08:32:55+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-18T08:32:55+00:00</published>
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<id>urn:sha1:36fa7451a3be1c49932e944859364fe4e9f9fcc4</id>
<content type='text'>
- Fix buffer size for ["EVENT",...] wrapper: was 8+event_len+1,
  needed 10+event_len+2 (9 char prefix + ] + null). snprintf was
  truncating the closing bracket, causing relay JSON parse errors.
- Add write loop in ws_send_text for large payloads that don't fit
  in a single esp_tls_conn_write call.
- Change STA auth threshold from WPA2_PSK to WPA3_PSK for
  compatibility with WPA3 access points.
- Announcements now successfully stored on relay.primal.net!
</content>
</entry>
<entry>
<title>feat: ContextVM (MCP over Nostr) server with WS masking fix</title>
<updated>2026-05-17T22:07:27+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-17T22:07:27+00:00</published>
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<id>urn:sha1:8a2f7a6c9423e0c00fae3c1233bee9e0bb3ae239</id>
<content type='text'>
- Full CVM server: persistent WS relay listener, kind 25910 subscription
- MCP protocol handlers: initialize, tools/list, tools/call, ping
- 10 MCP tools: get_config, set_config, get_balance, wallet_send,
  get_sessions, get_usage, set_payout, set_metric, set_price, wallet_melt
- CEP-6 announcements via WS (kinds 11316, 11317, 10002)
- Auth check: owner npub only
- Fix: WebSocket client-to-server frame masking (RFC 6455 requirement)
- Fix: Raw event JSON in EVENT wrapper (no re-parsing that breaks sig)
- SNTP init after STA gets IP
- 282 unit tests passing (61 CVM + 60 MCP handler + 161 existing)
- Integration test scaffold: tests/integration/test-cvm.mjs
</content>
</entry>
<entry>
<title>Bug fixes: reset_auth clears sessions, port 80 /usage shows real data, metric defaults to milliseconds, fix sys_evt stack overflow</title>
<updated>2026-05-17T09:19:16+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-17T09:19:16+00:00</published>
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<id>urn:sha1:3342c8e7b4f645c75470d3d893d09037a672cfd2</id>
<content type='text'>
</content>
</entry>
<entry>
<title>Phase 7: MCP handler (25 tests), NIP-04 encrypt/decrypt (15 tests), CVM server skeleton</title>
<updated>2026-05-16T23:57:06+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-16T23:57:06+00:00</published>
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<id>urn:sha1:fdf662f8f1a1a3b38fe4d251982fffab8e9bf664</id>
<content type='text'>
- mcp_handler.c/h: 4 tools (get_config, set_config, get_balance, wallet_send)
- nip04.c/h: AES-256-CBC + ECDH with 0x02 compressed pubkey prefix
  - Fixed IV copy bug: mbedTLS AES-CBC modifies IV in-place
  - Base64 encode/decode for ciphertext transport
  - PKCS7 padding
- cvm_server.c/h: Nostr DM listener with FreeRTOS task
- config: cvm_enabled, cvm_relays fields
- 156 total tests passing across 10 test binaries
</content>
</entry>
<entry>
<title>feat(phase6): bytes-based billing - dual metric support</title>
<updated>2026-05-16T23:20:07+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-16T23:20:07+00:00</published>
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<id>urn:sha1:edd125d0e3fe5fe7c0edf30c429723f3b0120c68</id>
<content type='text'>
- session_create_bytes() + session_add_bytes() for bytes-metric sessions
- session_is_expired() dispatches on config metric (bytes vs milliseconds)
- cashu_calculate_allotment() unified dispatcher for both metrics
- tollgate_api discovery/usage/session_event use configured metric
- config: metric field defaults to 'bytes', step_size_bytes=22020096 (21MB)
- 14 new unit tests (148 total passing)
- ASSERT_EQ_UINT64 macro added to test framework
</content>
</entry>
<entry>
<title>Phase 5: Lightning auto-payout with LNURL-pay and NUT-05 melt</title>
<updated>2026-05-16T23:07:15+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-16T23:07:15+00:00</published>
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<id>urn:sha1:cb4bd7d7c10cadcb43f82c09b13ffed744e541f7</id>
<content type='text'>
- New lnurl_pay.c/h: LNURL-pay protocol (GET .well-known/lnurlp + callback)
- New lightning_payout.c/h: threshold-based auto-payout with multi-recipient split
- Extended nucula_wallet bridge with nucula_wallet_melt() (NUT-05)
- Config: payout section with multi-mint, multi-recipient, fee_tolerance
- Default: enabled, TollGate@coinos.io, min_payout=128, min_balance=64
- 18 new unit tests (all passing), 134 total
</content>
</entry>
<entry>
<title>Phase 4: TollGate client detection + auto-payment</title>
<updated>2026-05-16T22:51:39+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-16T22:51:39+00:00</published>
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<id>urn:sha1:78dd599277b8e8b2ddc39a4ae710ec91d737272e</id>
<content type='text'>
- New tollgate_client.c/h: detect upstream TollGate (kind=10021),
  auto-pay via nucula wallet, session monitoring with 20% renewal
- State machine: IDLE→DETECTING→NEEDS_PAY→PAYING→PAID→RENEWING
- Blocking: upstream payment before local services start
- Synchronous wallet init (was async task)
- Client config: enabled, steps_to_buy, renewal_threshold_pct
- Updated PLAN.md with Phases 4-7 (client, payout, bytes, CVM)
- Updated CHECKLIST.md with all new phase items
- 30 new unit tests (all passing), 116 total
</content>
</entry>
<entry>
<title>Phase 3: Nostr identity derivation + wifistr service discovery</title>
<updated>2026-05-16T18:25:05+00:00</updated>
<author>
<name>Your Name</name>
<email>you@example.com</email>
</author>
<published>2026-05-16T18:25:05+00:00</published>
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<id>urn:sha1:4c47ae188b288e7d24bd9566ab3e6a6805d9484f</id>
<content type='text'>
- Add identity.c/h: HMAC-SHA512 derivation from nsec → npub, STA/AP MAC, SSID, AP IP
- Add nostr_event.c/h: NIP-01 event serialization + Schnorr signing (BIP-340)
- Add geohash.c/h: lat/lon to geohash encoding
- Add wifistr.c/h: kind 38787 event builder + WebSocket publish to Nostr relays
- Update config.c/h: nsec-based identity, Nostr relay/geo config, remove static SSID/IP
- Replace custom mbedTLS wallet with nucula library (libsecp256k1)
- Remove wallet.c/h, wallet_persist.c/h (replaced by nucula_lib component)
- Verified on Board A: derived SSID, captive portal, payment, wallet, wifistr publish
</content>
</entry>
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