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6 Commits

Author SHA1 Message Date
Luis Pater e50cabac4b chore: upgrade CLIProxyAPI dependency to v7 across the project 
- Updated all references from v6 to v7 for `github.com/router-for-me/CLIProxyAPI`.
- Ensured consistency in imports within core libraries, tests, and integration tests.
- Added missing tests for new features in Redis Protocol integration.
 2026-05-08 11:46:46 +08:00
sususu98 41ae2c81e7 fix(antigravity): discard thinking blocks with non-Claude-format signatures 
Proxy-generated thinking blocks may carry hex hashes or other non-Claude
signatures (e.g. "d5cb9cd0823142109f451861") from Gemini responses. These
are now discarded alongside empty-signature blocks during the strip phase,
before validation runs. Valid Claude signatures always start with 'E' or 'R'
(after stripping any cache prefix).
 2026-04-14 15:14:48 +08:00
sususu98 278a89824c fix(antigravity): strip thinking blocks with empty signatures instead of rejecting 
Thinking blocks with empty signatures come from proxy-generated
responses (Antigravity/Gemini routed as Claude). These should be
silently dropped from the request payload before forwarding, not
rejected with 400. Fixes 10 "missing thinking signature" errors.
 2026-04-14 15:14:48 +08:00
sususu98 727221df2e fix(antigravity): allow 32MB bypass signatures 
Raise the local bypass-signature ceiling so long Claude thinking signatures are not rejected before request translation, and keep the oversized-signature test cheap to execute.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
 2026-04-12 00:51:53 +08:00
sususu98 38f0ae5970 docs(antigravity): document signature validation spec alignment 
Add package-level comment documenting the protobuf tree structure,
base64 encoding equivalence proof, output dimensions, and spec
section references. Remove unreachable legacy_vertex_group dead code.
 2026-04-09 21:12:40 +08:00
sususu98 cf249586a9 feat(antigravity): configurable signature cache with bypass-mode validation 
Antigravity 的 Claude thinking signature 处理新增 cache/bypass 双模式，
并为 bypass 模式实现按 SIGNATURE-CHANNEL-SPEC.md 的签名校验。

新增 antigravity-signature-cache-enabled 配置项（默认 true）：
- cache mode（true）：使用服务端缓存的签名，行为与原有逻辑完全一致
- bypass mode（false）：直接使用客户端提供的签名，经过校验和归一化

支持配置热重载，运行时可切换模式。

校验流程：
1. 剥离历史 cache-mode 的 'modelGroup#' 前缀（如 claude#Exxxx → Exxxx）
2. 首字符必须为 'E'（单层编码）或 'R'（双层编码），否则拒绝
3. R 开头：base64 解码 → 内层必须以 'E' 开头 → 继续单层校验
4. E 开头：base64 解码 → 首字节必须为 0x12（Claude protobuf 标识）
5. 所有合法签名归一化为 R 形式（双层 base64）发往 Antigravity 后端

非法签名处理策略：
- 非严格模式（默认）：translator 静默丢弃无签名的 thinking block
- 严格模式（antigravity-signature-bypass-strict: true）：
  executor 层在请求发往上游前直接返回 HTTP 400

按 SIGNATURE-CHANNEL-SPEC.md 解析 Claude 签名的完整 protobuf 结构：
- Top-level Field 2（容器）→ Field 1（渠道块）
- 渠道块提取：channel_id (Field 1)、infrastructure (Field 2)、
  model_text (Field 6)、field7 (Field 7)
- 计算 routing_class、infrastructure_class、schema_features
- 使用 google.golang.org/protobuf/encoding/protowire 解析

- resolveThinkingSignature 拆分为 resolveCacheModeSignature / resolveBypassModeSignature
- hasResolvedThinkingSignature：mode-aware 签名有效性判断
  （cache: len>=50 via HasValidSignature，bypass: non-empty）
- validateAntigravityRequestSignatures：executor 预检，
  仅在 bypass + strict 模式下拦截非法签名返回 400
- 响应侧签名缓存逻辑与 cache mode 集成
- Cache mode 行为完全保留：无 '#' 前缀的原生签名静默丢弃
 2026-04-09 21:12:40 +08:00