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feat: restore NVS runtime config with CLI commands (NVS > build-time priority)

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Bring back two-layer configuration: build-time defaults from mimi_secrets.h
with runtime NVS overrides via serial CLI. NVS values take highest priority
so a pre-flashed board can be reconfigured anywhere with just a USB cable.

Restored CLI commands: wifi_set, set_tg_token, set_api_key, set_model,
set_proxy, clear_proxy, set_search_key. Added new commands: config_show
(displays all config with sensitive fields masked), config_reset (clears
all NVS overrides), and help (lists all commands).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
crispyberry
2026-02-08 20:42:10 +08:00
parent 9eb26587ed
commit da43c27003
15 changed files with 568 additions and 20 deletions
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47
main/llm/llm_proxy.c
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@@ -8,6 +8,7 @@
#include "esp_http_client.h"
#include "esp_crt_bundle.h"
#include "esp_heap_caps.h"
#include "nvs.h"
#include "cJSON.h"
static const char *TAG = "llm";
@@ -70,6 +71,7 @@ static esp_err_t http_event_handler(esp_http_client_event_t *evt)
esp_err_t llm_proxy_init(void)
{
/* Start with build-time defaults */
if (MIMI_SECRET_API_KEY[0] != '\0') {
strncpy(s_api_key, MIMI_SECRET_API_KEY, sizeof(s_api_key) - 1);
}
@@ -77,10 +79,26 @@ esp_err_t llm_proxy_init(void)
strncpy(s_model, MIMI_SECRET_MODEL, sizeof(s_model) - 1);
}
/* NVS overrides take highest priority (set via CLI) */
nvs_handle_t nvs;
if (nvs_open(MIMI_NVS_LLM, NVS_READONLY, &nvs) == ESP_OK) {
char tmp[128] = {0};
size_t len = sizeof(tmp);
if (nvs_get_str(nvs, MIMI_NVS_KEY_API_KEY, tmp, &len) == ESP_OK && tmp[0]) {
strncpy(s_api_key, tmp, sizeof(s_api_key) - 1);
}
len = sizeof(tmp);
memset(tmp, 0, sizeof(tmp));
if (nvs_get_str(nvs, MIMI_NVS_KEY_MODEL, tmp, &len) == ESP_OK && tmp[0]) {
strncpy(s_model, tmp, sizeof(s_model) - 1);
}
nvs_close(nvs);
}
if (s_api_key[0]) {
ESP_LOGI(TAG, "LLM proxy initialized (model: %s)", s_model);
} else {
ESP_LOGW(TAG, "No API key. Set MIMI_SECRET_API_KEY in mimi_secrets.h");
ESP_LOGW(TAG, "No API key. Use CLI: set_api_key <KEY>");
}
return ESP_OK;
}
@@ -448,3 +466,30 @@ esp_err_t llm_chat_tools(const char *system_prompt,
return ESP_OK;
}
/* ── NVS helpers ──────────────────────────────────────────────── */
esp_err_t llm_set_api_key(const char *api_key)
{
nvs_handle_t nvs;
ESP_ERROR_CHECK(nvs_open(MIMI_NVS_LLM, NVS_READWRITE, &nvs));
ESP_ERROR_CHECK(nvs_set_str(nvs, MIMI_NVS_KEY_API_KEY, api_key));
ESP_ERROR_CHECK(nvs_commit(nvs));
nvs_close(nvs);
strncpy(s_api_key, api_key, sizeof(s_api_key) - 1);
ESP_LOGI(TAG, "API key saved");
return ESP_OK;
}
esp_err_t llm_set_model(const char *model)
{
nvs_handle_t nvs;
ESP_ERROR_CHECK(nvs_open(MIMI_NVS_LLM, NVS_READWRITE, &nvs));
ESP_ERROR_CHECK(nvs_set_str(nvs, MIMI_NVS_KEY_MODEL, model));
ESP_ERROR_CHECK(nvs_commit(nvs));
nvs_close(nvs);
strncpy(s_model, model, sizeof(s_model) - 1);
ESP_LOGI(TAG, "Model set to: %s", s_model);
return ESP_OK;
}