feat: rebuild as multi-user web agent

agent_platform/gateway/schemas.py

@@ -0,0 +1,90 @@
+from __future__ import annotations
+
+from typing import Literal
+
+from pydantic import BaseModel, Field, field_validator
+
+
+class PathRequest(BaseModel):
+    path: str = Field(default=".", max_length=4096, description="Path relative to /workspace.")
+
+
+class ListFilesRequest(PathRequest):
+    max_depth: int = Field(default=4, ge=1, le=12)
+    limit: int = Field(default=500, ge=1, le=5000)
+
+
+class ReadFileRequest(PathRequest):
+    start_line: int = Field(default=1, ge=1)
+    max_lines: int = Field(default=1000, ge=1, le=5000)
+
+
+class WriteFileRequest(PathRequest):
+    content: str = Field(max_length=2_000_000, description="Complete UTF-8 file content.")
+
+
+class SearchFilesRequest(BaseModel):
+    query: str = Field(min_length=1, max_length=500)
+    path: str = Field(default=".", description="Directory relative to /workspace.")
+    glob: str | None = Field(default=None, max_length=200)
+    limit: int = Field(default=200, ge=1, le=2000)
+
+
+class ExecRequest(BaseModel):
+    command: str = Field(min_length=1, max_length=32_000)
+    cwd: str = Field(default=".", max_length=4096, description="Working directory relative to /workspace.")
+    timeout_seconds: int = Field(default=120, ge=1, le=1800)
+
+
+class ApplyPatchRequest(BaseModel):
+    patch: str = Field(min_length=1, max_length=512_000)
+    cwd: str = Field(default=".", max_length=4096, description="Repository directory relative to /workspace.")
+
+
+class GitRequest(BaseModel):
+    cwd: str = Field(default=".", max_length=4096, description="Repository directory relative to /workspace.")
+
+
+class GitDiffRequest(GitRequest):
+    staged: bool = False
+
+
+class StartProcessRequest(BaseModel):
+    command: str = Field(min_length=1, max_length=32_000)
+    cwd: str = Field(default=".", max_length=4096, description="Working directory relative to /workspace.")
+
+
+class ProcessRequest(BaseModel):
+    process_id: str = Field(pattern=r"^[a-f0-9]{32}$")
+
+
+class ToolResult(BaseModel):
+    ok: bool
+    output: str = ""
+    exit_code: int | None = None
+    truncated: bool = False
+    metadata: dict = Field(default_factory=dict)
+
+
+class WorkspaceStatus(BaseModel):
+    workspace_id: str
+    provider: Literal["local-docker", "ssh-docker"]
+    container_name: str
+    state: str
+
+
+class PlanItem(BaseModel):
+    step: str = Field(min_length=1, max_length=1000)
+    status: Literal["pending", "in_progress", "completed"]
+
+
+class UpdatePlanRequest(BaseModel):
+    explanation: str | None = Field(default=None, max_length=4000)
+    items: list[PlanItem] = Field(min_length=1, max_length=50)
+
+    @field_validator("items")
+    @classmethod
+    def one_in_progress(cls, value: list[PlanItem]) -> list[PlanItem]:
+        if sum(item.status == "in_progress" for item in value) > 1:
+            raise ValueError("At most one plan item may be in progress")
+        return value