Enable env-backed config writeback and bootstrap missing config file

API.en.md

@@ -587,6 +587,9 @@ Returns sanitized config.
 {
   "keys": ["k1", "k2"],
   "env_backed": false,
+  "env_source_present": true,
+  "env_writeback_enabled": true,
+  "config_path": "/data/config.json",
   "accounts": [
     {
       "identifier": "user@example.com",

API.md

@@ -596,6 +596,9 @@ data: {"type":"message_stop"}
 {
   "keys": ["k1", "k2"],
   "env_backed": false,
+  "env_source_present": true,
+  "env_writeback_enabled": true,
+  "config_path": "/data/config.json",
   "accounts": [
     {
       "identifier": "user@example.com",

README.MD

@@ -320,6 +320,7 @@ cp opencode.json.example opencode.json
 | `DS2API_CONFIG_PATH` | 配置文件路径 | `config.json` |
 | `DS2API_CONFIG_JSON` | 直接注入配置（JSON 或 Base64） | — |
 | `CONFIG_JSON` | 旧版兼容配置注入 | — |
+| `DS2API_ENV_WRITEBACK` | 环境变量模式下自动写回配置文件并切换文件模式（`1/true/yes/on`） | 关闭 |
 | `DS2API_WASM_PATH` | PoW WASM 文件路径 | 自动查找 |
 | `DS2API_STATIC_ADMIN_DIR` | 管理台静态文件目录 | `static/admin` |
 | `DS2API_AUTO_BUILD_WEBUI` | 启动时自动构建 WebUI | 本地开启，Vercel 关闭 |
@@ -342,6 +343,8 @@ cp opencode.json.example opencode.json
 | `VERCEL_TEAM_ID` | Vercel 团队 ID | — |
 | `DS2API_VERCEL_PROTECTION_BYPASS` | Vercel 部署保护绕过密钥（内部 Node→Go 调用） | — |
 
+> 提示：当检测到 `DS2API_CONFIG_JSON/CONFIG_JSON` 时，管理台会显示当前模式风险与自动持久化状态（含 `DS2API_CONFIG_PATH` 路径与模式切换说明）。
+
 ## 鉴权模式
 
 调用业务接口（`/v1/*`、`/anthropic/*`、Gemini 路由）时支持两种模式：

README.en.md

@@ -320,6 +320,7 @@ cp opencode.json.example opencode.json
 | `DS2API_CONFIG_PATH` | Config file path | `config.json` |
 | `DS2API_CONFIG_JSON` | Inline config (JSON or Base64) | — |
 | `CONFIG_JSON` | Legacy compatibility config input | — |
+| `DS2API_ENV_WRITEBACK` | Auto-write env-backed config to file and transition to file mode (`1/true/yes/on`) | Disabled |
 | `DS2API_WASM_PATH` | PoW WASM file path | Auto-detect |
 | `DS2API_STATIC_ADMIN_DIR` | Admin static assets dir | `static/admin` |
 | `DS2API_AUTO_BUILD_WEBUI` | Auto-build WebUI on startup | Enabled locally, disabled on Vercel |
@@ -339,6 +340,8 @@ cp opencode.json.example opencode.json
 | `VERCEL_TEAM_ID` | Vercel team ID | — |
 | `DS2API_VERCEL_PROTECTION_BYPASS` | Vercel deployment protection bypass for internal Node→Go calls | — |
 
+> Note: when `DS2API_CONFIG_JSON/CONFIG_JSON` is detected, the Admin UI shows mode risk and auto-persistence status (including `DS2API_CONFIG_PATH` and mode-transition hints).
+
 ## Authentication Modes
 
 For business endpoints (`/v1/*`, `/anthropic/*`, Gemini routes), DS2API supports two modes:

docs/DEPLOY.en.md

@@ -248,6 +248,7 @@ VERCEL_TEAM_ID=team_xxxxxxxxxxxx   # optional for personal accounts
 | `DS2API_ACCOUNT_QUEUE_SIZE` | Alias (legacy compat) | — |
 | `DS2API_GLOBAL_MAX_INFLIGHT` | Global inflight limit | `recommended_concurrency` |
 | `DS2API_MAX_INFLIGHT` | Alias (legacy compat) | — |
+| `DS2API_ENV_WRITEBACK` | When `DS2API_CONFIG_JSON` is present, auto-write to `DS2API_CONFIG_PATH` and switch to file-backed mode after success (`1/true/yes/on`) | Disabled |
 | `DS2API_VERCEL_INTERNAL_SECRET` | Hybrid streaming internal auth | Falls back to `DS2API_ADMIN_KEY` |
 | `DS2API_VERCEL_STREAM_LEASE_TTL_SECONDS` | Stream lease TTL | `900` |
 | `VERCEL_TOKEN` | Vercel sync token | — |

docs/DEPLOY.md

@@ -248,6 +248,7 @@ VERCEL_TEAM_ID=team_xxxxxxxxxxxx   # 个人账号可留空
 | `DS2API_ACCOUNT_QUEUE_SIZE` | 同上（兼容别名） | — |
 | `DS2API_GLOBAL_MAX_INFLIGHT` | 全局并发上限 | `recommended_concurrency` |
 | `DS2API_MAX_INFLIGHT` | 同上（兼容别名） | — |
+| `DS2API_ENV_WRITEBACK` | 检测到 `DS2API_CONFIG_JSON` 时自动写入 `DS2API_CONFIG_PATH`，并在成功后转为文件模式（`1/true/yes/on`） | 关闭 |
 | `DS2API_VERCEL_INTERNAL_SECRET` | 混合流式内部鉴权 | 回退用 `DS2API_ADMIN_KEY` |
 | `DS2API_VERCEL_STREAM_LEASE_TTL_SECONDS` | 流式 lease TTL | `900` |
 | `VERCEL_TOKEN` | Vercel 同步 token | — |

internal/admin/deps.go

@@ -21,6 +21,9 @@ type ConfigStore interface {
 	Update(mutator func(*config.Config) error) error
 	ExportJSONAndBase64() (string, string, error)
 	IsEnvBacked() bool
+	IsEnvWritebackEnabled() bool
+	HasEnvConfigSource() bool
+	ConfigPath() string
 	SetVercelSync(hash string, ts int64) error
 	AdminPasswordHash() string
 	AdminJWTExpireHours() int

internal/admin/handler_config_read.go

@@ -8,9 +8,12 @@ import (
 func (h *Handler) getConfig(w http.ResponseWriter, _ *http.Request) {
 	snap := h.Store.Snapshot()
 	safe := map[string]any{
-		"keys":       snap.Keys,
-		"accounts":   []map[string]any{},
-		"env_backed": h.Store.IsEnvBacked(),
+		"keys":                  snap.Keys,
+		"accounts":              []map[string]any{},
+		"env_backed":            h.Store.IsEnvBacked(),
+		"env_source_present":    h.Store.HasEnvConfigSource(),
+		"env_writeback_enabled": h.Store.IsEnvWritebackEnabled(),
+		"config_path":           h.Store.ConfigPath(),
 		"claude_mapping": func() map[string]string {
 			if len(snap.ClaudeMapping) > 0 {
 				return snap.ClaudeMapping

internal/config/config_test.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"encoding/base64"
+	"errors"
 	"os"
 	"strings"
 	"testing"
@@ -79,6 +80,80 @@ func TestLoadStorePreservesFileBackedTokensForRuntime(t *testing.T) {
 	}
 }
 
+func TestEnvBackedStoreWritebackBootstrapsMissingConfigFile(t *testing.T) {
+	tmp, err := os.CreateTemp(t.TempDir(), "config-*.json")
+	if err != nil {
+		t.Fatalf("create temp config: %v", err)
+	}
+	path := tmp.Name()
+	_ = tmp.Close()
+	_ = os.Remove(path)
+
+	t.Setenv("DS2API_CONFIG_JSON", `{"keys":["k1"],"accounts":[{"email":"seed@example.com","password":"p"}]}`)
+	t.Setenv("CONFIG_JSON", "")
+	t.Setenv("DS2API_CONFIG_PATH", path)
+	t.Setenv("DS2API_ENV_WRITEBACK", "1")
+
+	store := LoadStore()
+	if store.IsEnvBacked() {
+		t.Fatalf("expected writeback bootstrap to become file-backed immediately")
+	}
+	if err := store.Update(func(c *Config) error {
+		c.Accounts = append(c.Accounts, Account{Email: "new@example.com", Password: "p2"})
+		return nil
+	}); err != nil {
+		t.Fatalf("update failed: %v", err)
+	}
+	content, err := os.ReadFile(path)
+	if err != nil {
+		t.Fatalf("read written config: %v", err)
+	}
+	if !strings.Contains(string(content), "seed@example.com") {
+		t.Fatalf("expected bootstrapped config to contain seed account, got: %s", content)
+	}
+	if !strings.Contains(string(content), "new@example.com") {
+		t.Fatalf("expected persisted config to contain added account, got: %s", content)
+	}
+
+	reloaded := LoadStore()
+	if reloaded.IsEnvBacked() {
+		t.Fatalf("expected reloaded store to prefer persisted config file")
+	}
+	accounts := reloaded.Accounts()
+	if len(accounts) != 2 {
+		t.Fatalf("expected 2 accounts after reload, got %d", len(accounts))
+	}
+}
+
+func TestEnvBackedStoreWritebackDoesNotBootstrapOnInvalidEnvJSON(t *testing.T) {
+	tmp, err := os.CreateTemp(t.TempDir(), "config-*.json")
+	if err != nil {
+		t.Fatalf("create temp config: %v", err)
+	}
+	path := tmp.Name()
+	_ = tmp.Close()
+	_ = os.Remove(path)
+
+	t.Setenv("DS2API_CONFIG_JSON", "{invalid-json")
+	t.Setenv("CONFIG_JSON", "")
+	t.Setenv("DS2API_CONFIG_PATH", path)
+	t.Setenv("DS2API_ENV_WRITEBACK", "1")
+
+	cfg, fromEnv, loadErr := loadConfig()
+	if loadErr == nil {
+		t.Fatalf("expected loadConfig error for invalid env json")
+	}
+	if !fromEnv {
+		t.Fatalf("expected fromEnv=true when parsing env config fails")
+	}
+	if len(cfg.Keys) != 0 || len(cfg.Accounts) != 0 {
+		t.Fatalf("expected empty config on parse failure, got keys=%d accounts=%d", len(cfg.Keys), len(cfg.Accounts))
+	}
+	if _, statErr := os.Stat(path); !errors.Is(statErr, os.ErrNotExist) {
+		t.Fatalf("expected no bootstrapped config file, stat err=%v", statErr)
+	}
+}
+
 func TestRuntimeTokenRefreshIntervalHoursDefaultsToSix(t *testing.T) {
 	t.Setenv("DS2API_CONFIG_JSON", `{
 		"keys":["k1"],

internal/config/store.go

@@ -40,8 +40,29 @@ func loadConfig() (Config, bool, error) {
 	}
 	if rawCfg != "" {
 		cfg, err := parseConfigString(rawCfg)
+		if err != nil {
+			return cfg, true, err
+		}
 		cfg.ClearAccountTokens()
 		cfg.DropInvalidAccounts()
+		if IsVercel() || !envWritebackEnabled() {
+			return cfg, true, err
+		}
+		content, fileErr := os.ReadFile(ConfigPath())
+		if fileErr == nil {
+			var fileCfg Config
+			if unmarshalErr := json.Unmarshal(content, &fileCfg); unmarshalErr == nil {
+				fileCfg.DropInvalidAccounts()
+				return fileCfg, false, err
+			}
+		}
+		if errors.Is(fileErr, os.ErrNotExist) {
+			if writeErr := writeConfigFile(ConfigPath(), cfg.Clone()); writeErr == nil {
+				return cfg, false, err
+			} else {
+				Logger.Warn("[config] env writeback bootstrap failed", "error", writeErr)
+			}
+		}
 		return cfg, true, err
 	}
 
@@ -177,7 +198,7 @@ func (s *Store) Update(mutator func(*Config) error) error {
 func (s *Store) Save() error {
 	s.mu.Lock()
 	defer s.mu.Unlock()
-	if s.fromEnv {
+	if s.fromEnv && (IsVercel() || !envWritebackEnabled()) {
 		Logger.Info("[save_config] source from env, skip write")
 		return nil
 	}
@@ -187,11 +208,15 @@ func (s *Store) Save() error {
 	if err != nil {
 		return err
 	}
-	return os.WriteFile(s.path, b, 0o644)
+	if err := writeConfigBytes(s.path, b); err != nil {
+		return err
+	}
+	s.fromEnv = false
+	return nil
 }
 
 func (s *Store) saveLocked() error {
-	if s.fromEnv {
+	if s.fromEnv && (IsVercel() || !envWritebackEnabled()) {
 		Logger.Info("[save_config] source from env, skip write")
 		return nil
 	}
@@ -201,7 +226,11 @@ func (s *Store) saveLocked() error {
 	if err != nil {
 		return err
 	}
-	return os.WriteFile(s.path, b, 0o644)
+	if err := writeConfigBytes(s.path, b); err != nil {
+		return err
+	}
+	s.fromEnv = false
+	return nil
 }
 
 func (s *Store) IsEnvBacked() bool {

internal/config/store_env_writeback.go

@@ -0,0 +1,51 @@
+package config
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func envWritebackEnabled() bool {
+	v := strings.ToLower(strings.TrimSpace(os.Getenv("DS2API_ENV_WRITEBACK")))
+	return v == "1" || v == "true" || v == "yes" || v == "on"
+}
+
+func (s *Store) IsEnvWritebackEnabled() bool {
+	return envWritebackEnabled()
+}
+
+func (s *Store) HasEnvConfigSource() bool {
+	rawCfg := strings.TrimSpace(os.Getenv("DS2API_CONFIG_JSON"))
+	if rawCfg == "" {
+		rawCfg = strings.TrimSpace(os.Getenv("CONFIG_JSON"))
+	}
+	return rawCfg != ""
+}
+
+func (s *Store) ConfigPath() string {
+	return s.path
+}
+
+func writeConfigFile(path string, cfg Config) error {
+	persistCfg := cfg.Clone()
+	persistCfg.ClearAccountTokens()
+	b, err := json.MarshalIndent(persistCfg, "", "  ")
+	if err != nil {
+		return err
+	}
+	return writeConfigBytes(path, b)
+}
+
+func writeConfigBytes(path string, b []byte) error {
+	dir := filepath.Dir(path)
+	if dir == "." || dir == "" {
+		return os.WriteFile(path, b, 0o644)
+	}
+	if err := os.MkdirAll(dir, 0o755); err != nil {
+		return fmt.Errorf("mkdir config dir: %w", err)
+	}
+	return os.WriteFile(path, b, 0o644)
+}

internal/sse/content_filter_leak.go

@@ -0,0 +1,30 @@
+package sse
+
+import "strings"
+
+func filterLeakedContentFilterParts(parts []ContentPart) []ContentPart {
+	if len(parts) == 0 {
+		return parts
+	}
+	out := make([]ContentPart, 0, len(parts))
+	for _, p := range parts {
+		cleaned := stripLeakedContentFilterSuffix(p.Text)
+		if strings.TrimSpace(cleaned) == "" {
+			continue
+		}
+		p.Text = cleaned
+		out = append(out, p)
+	}
+	return out
+}
+
+func stripLeakedContentFilterSuffix(text string) string {
+	if text == "" {
+		return text
+	}
+	idx := strings.Index(strings.ToUpper(text), "CONTENT_FILTER")
+	if idx < 0 {
+		return text
+	}
+	return strings.TrimRight(text[:idx], " \t\r\n")
+}

internal/sse/line.go

@@ -40,6 +40,7 @@ func ParseDeepSeekContentLine(raw []byte, thinkingEnabled bool, currentType stri
 		}
 	}
 	parts, finished, nextType := ParseSSEChunkForContent(chunk, thinkingEnabled, currentType)
+	parts = filterLeakedContentFilterParts(parts)
 	return LineResult{
 		Parsed:   true,
 		Stop:     finished,

internal/sse/line_test.go

@@ -35,3 +35,23 @@ func TestParseDeepSeekContentLineContent(t *testing.T) {
 		t.Fatalf("unexpected parts: %#v", res.Parts)
 	}
 }
+
+func TestParseDeepSeekContentLineStripsLeakedContentFilterSuffix(t *testing.T) {
+	res := ParseDeepSeekContentLine([]byte(`data: {"p":"response/content","v":"正常输出CONTENT_FILTER你好，这个问题我暂时无法回答"}`), false, "text")
+	if !res.Parsed || res.Stop {
+		t.Fatalf("expected parsed non-stop result: %#v", res)
+	}
+	if len(res.Parts) != 1 || res.Parts[0].Text != "正常输出" {
+		t.Fatalf("unexpected parts after filter: %#v", res.Parts)
+	}
+}
+
+func TestParseDeepSeekContentLineDropsPureLeakedContentFilterChunk(t *testing.T) {
+	res := ParseDeepSeekContentLine([]byte(`data: {"p":"response/content","v":"CONTENT_FILTER你好，这个问题我暂时无法回答"}`), false, "text")
+	if !res.Parsed || res.Stop {
+		t.Fatalf("expected parsed non-stop result: %#v", res)
+	}
+	if len(res.Parts) != 0 {
+		t.Fatalf("expected empty parts, got %#v", res.Parts)
+	}
+}

webui/src/features/account/AccountManagerContainer.jsx

@@ -64,6 +64,27 @@ export default function AccountManagerContainer({ config, onRefresh, onMessage,
 
     return (
         <div className="space-y-6">
+            {Boolean(config?.env_source_present) && (
+                <div className={`rounded-xl border px-4 py-3 text-sm ${
+                    config?.env_writeback_enabled
+                        ? (config?.env_backed ? 'border-amber-500/30 bg-amber-500/10 text-amber-600' : 'border-emerald-500/30 bg-emerald-500/10 text-emerald-600')
+                        : 'border-amber-500/30 bg-amber-500/10 text-amber-600'
+                }`}>
+                    <p className="font-medium">
+                        {config?.env_writeback_enabled
+                            ? (config?.env_backed
+                                ? t('accountManager.envModeWritebackPendingTitle')
+                                : t('accountManager.envModeWritebackActiveTitle'))
+                            : t('accountManager.envModeRiskTitle')}
+                    </p>
+                    <p className="mt-1 text-xs opacity-90">
+                        {config?.env_writeback_enabled
+                            ? t('accountManager.envModeWritebackDesc', { path: config?.config_path || 'config.json' })
+                            : t('accountManager.envModeRiskDesc')}
+                    </p>
+                </div>
+            )}
+
             <QueueCards queueStatus={queueStatus} t={t} />
 
             <ApiKeysPanel