feat: add sdkconfig defaults, partition table, and global config

16MB flash with custom partitions (2x2MB OTA + 12MB SPIFFS),
PSRAM/WiFi/TLS tuning, and centralized compile-time constants.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

main/mimi_config.h

@@ -0,0 +1,66 @@
+#pragma once
+
+/* MimiClaw Global Configuration */
+
+/* WiFi */
+#define MIMI_WIFI_MAX_RETRY          10
+#define MIMI_WIFI_RETRY_BASE_MS      1000
+#define MIMI_WIFI_RETRY_MAX_MS       30000
+
+/* Telegram Bot */
+#define MIMI_TG_POLL_TIMEOUT_S       30
+#define MIMI_TG_MAX_MSG_LEN          4096
+#define MIMI_TG_POLL_STACK           (8 * 1024)
+#define MIMI_TG_POLL_PRIO            5
+#define MIMI_TG_POLL_CORE            0
+
+/* Agent Loop */
+#define MIMI_AGENT_STACK             (8 * 1024)
+#define MIMI_AGENT_PRIO              6
+#define MIMI_AGENT_CORE              1
+#define MIMI_AGENT_MAX_HISTORY       20
+
+/* LLM */
+#define MIMI_LLM_DEFAULT_MODEL       "claude-opus-4-5-20251101"
+#define MIMI_LLM_MAX_TOKENS          4096
+#define MIMI_LLM_API_URL             "https://api.anthropic.com/v1/messages"
+#define MIMI_LLM_API_VERSION         "2023-06-01"
+#define MIMI_LLM_STREAM_BUF_SIZE     (32 * 1024)
+
+/* Message Bus */
+#define MIMI_BUS_QUEUE_LEN           8
+#define MIMI_OUTBOUND_STACK          (4 * 1024)
+#define MIMI_OUTBOUND_PRIO           5
+#define MIMI_OUTBOUND_CORE           0
+
+/* Memory / SPIFFS */
+#define MIMI_SPIFFS_BASE             "/spiffs"
+#define MIMI_SPIFFS_CONFIG_DIR       "/spiffs/config"
+#define MIMI_SPIFFS_MEMORY_DIR       "/spiffs/memory"
+#define MIMI_SPIFFS_SESSION_DIR      "/spiffs/sessions"
+#define MIMI_MEMORY_FILE             "/spiffs/memory/MEMORY.md"
+#define MIMI_SOUL_FILE               "/spiffs/config/SOUL.md"
+#define MIMI_USER_FILE               "/spiffs/config/USER.md"
+#define MIMI_CONTEXT_BUF_SIZE        (16 * 1024)
+#define MIMI_SESSION_MAX_MSGS        20
+
+/* WebSocket Gateway */
+#define MIMI_WS_PORT                 18789
+#define MIMI_WS_MAX_CLIENTS          4
+
+/* Serial CLI */
+#define MIMI_CLI_STACK               (4 * 1024)
+#define MIMI_CLI_PRIO                3
+#define MIMI_CLI_CORE                0
+
+/* NVS Namespaces */
+#define MIMI_NVS_WIFI                "wifi_config"
+#define MIMI_NVS_TG                  "tg_config"
+#define MIMI_NVS_LLM                 "llm_config"
+
+/* NVS Keys */
+#define MIMI_NVS_KEY_SSID            "ssid"
+#define MIMI_NVS_KEY_PASS            "password"
+#define MIMI_NVS_KEY_TG_TOKEN        "bot_token"
+#define MIMI_NVS_KEY_API_KEY         "api_key"
+#define MIMI_NVS_KEY_MODEL           "model"

partitions.csv

@@ -0,0 +1,8 @@
+# Name,    Type, SubType, Offset,   Size
+nvs,       data, nvs,     0x9000,   0x6000
+otadata,   data, ota,     0xF000,   0x2000
+phy_init,  data, phy,     0x11000,  0x1000
+ota_0,     app,  ota_0,   0x20000,  0x200000
+ota_1,     app,  ota_1,   0x220000, 0x200000
+spiffs,    data, spiffs,  0x420000, 0xBD0000
+coredump,  data, coredump,0xFF0000, 0x10000

sdkconfig.defaults.esp32s3

@@ -1 +1,39 @@
+# MimiClaw - ESP32-S3 Target Configuration
 CONFIG_IDF_TARGET="esp32s3"
+
+# Flash 16MB + QIO
+CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
+CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
+
+# CPU 240MHz
+CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_240=y
+
+# PSRAM 8MB Octal
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_MODE_OCT=y
+CONFIG_SPIRAM_SPEED_80M=y
+CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=2048
+CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=98304
+CONFIG_SPIRAM_MEMTEST=n
+
+# WiFi memory optimization
+CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP_WIFI_RX_BA_WIN=3
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+
+# TLS optimization (PSRAM allocation + small buffers)
+CONFIG_MBEDTLS_EXTERNAL_MEM_ALLOC=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_SSL_IN_CONTENT_LEN=4096
+CONFIG_MBEDTLS_SSL_OUT_CONTENT_LEN=4096
+
+# WebSocket support
+CONFIG_HTTPD_WS_SUPPORT=y
+
+# Custom partition table
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
+
+# Console/UART for CLI
+CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG=y