feat: align minimal runtime profiles

examples/jsonrpc-agent/README.i18n.yaml

@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write examples/jsonrpc-agent/README.md
-README.md: 5f60a64a4888c64e4fd68835f78e4a334ffed263
-README.zh.md: 8d2f9807ff259000b5a6823357f8c41b43bfa434
+README.md: 93ac1d4bc966568d2baab70f763394d1293d348f
+README.zh.md: f358d3c8b22017a10dff62ce2dedced2bfd6de6c

examples/jsonrpc-agent/README.md

@@ -20,7 +20,9 @@ The surrounding runtime also loads JSONL session persistence and automatic conte
 | `DEEPSEEK_API_KEY` | Credential passed to the OpenAI-compatible host endpoint |
 | `DEEPSEEK_BASE_URL` | Host endpoint used by `dsh-llm-deepseek` |
 | `DSH_CWD` | Agent workspace for bash and filesystem tools |
+| `DSH_CONTEXT_WINDOW` | Context capacity recorded for the `DSH_MODEL` catalog entry in the minimal variant |
 | `DSH_MAX_TOKENS_AS_SUCCESS` | `true` (default) accepts token-limited results; `false` reports them as errors |
+| `DSH_MODEL` | Default model used by `minimal.py`; `--model` takes precedence |
 | `DSH_SESSION_ROOT` | JSONL session directory |
 | `DSH_SYSTEM_PROMPT` | Deployment-provided coding persona |
 
@@ -28,9 +30,9 @@ Pass the config path through the Python SDK's `cordis` option or `DSH_CORDIS_CON
 
 ## Minimal variant
 
-[`minimal.cordis.yml`](minimal.cordis.yml) is the complete standalone counterpart of the Web `minimal` preset. It fixes the system prompt and compaction policy, and its model-facing surface is exactly:
+[`minimal.cordis.yml`](minimal.cordis.yml) is the complete standalone counterpart of the Web `minimal` preset. `DSH_SYSTEM_PROMPT` selects its system prompt, with `You are a helpful software engineer assistant.` as the fallback, and no context-compaction plugin is mounted. Its model-facing tools are exactly:
 
 - owner-scoped persistent `bash`
 - `str_replace_editor` with `view`, `create`, `str_replace`, and `insert`
 
-It composes the local PTY, filesystem intent policy, session sandbox policy, and JSONL persistence needed by the bundled runtime. [`minimal.py`](minimal.py) runs it through the Python SDK; the [Python SDK tutorial](../../docs/user/guide/python-sdk.md) uses this configuration to cover setup, session management, and the security boundary.
+It composes the local PTY, bare `fs-local` backend, danger-full-access policy for persistent Bash, and uncompressed JSONL persistence needed by the bundled runtime. [`minimal.py`](minimal.py) runs it through the Python SDK and uses `DSH_MODEL` as its default model; the [Python SDK tutorial](../../docs/user/guide/python-sdk.md) covers setup, session management, and the security boundary.

examples/jsonrpc-agent/README.zh.md

@@ -20,7 +20,9 @@
 | `DEEPSEEK_API_KEY` | 传给 OpenAI 兼容宿主端点的凭据 |
 | `DEEPSEEK_BASE_URL` | `dsh-llm-deepseek` 使用的宿主端点 |
 | `DSH_CWD` | bash 和文件系统工具使用的 agent workspace |
+| `DSH_CONTEXT_WINDOW` | 极简变体中为 `DSH_MODEL` 目录项记录的上下文容量 |
 | `DSH_MAX_TOKENS_AS_SUCCESS` | `true`（默认）接受受 token 上限限制的结果；`false` 将其报告为错误 |
+| `DSH_MODEL` | `minimal.py` 使用的默认模型；`--model` 优先 |
 | `DSH_SESSION_ROOT` | JSONL 会话目录 |
 | `DSH_SYSTEM_PROMPT` | 由部署提供的编码人格 |
 
@@ -28,9 +30,9 @@
 
 ## 极简变体
 
-[`minimal.cordis.yml`](minimal.cordis.yml) 是 Web `minimal` preset 的完整独立版本。它固定系统提示词与压缩策略，面向模型的能力严格只有：
+[`minimal.cordis.yml`](minimal.cordis.yml) 是 Web `minimal` preset 的完整独立版本。`DSH_SYSTEM_PROMPT` 选择它的系统提示词，未设置时使用 `You are a helpful software engineer assistant.`，且不挂载上下文压缩插件。面向模型的工具严格只有：
 
 - 所有者作用域内持久化的 `bash`
 - 提供 `view`、`create`、`str_replace` 与 `insert` 的 `str_replace_editor`
 
-它组合了内置运行时所需的本地 PTY、文件系统意图策略、会话沙箱策略与 JSONL 持久化。[`minimal.py`](minimal.py) 通过 Python SDK 运行该配置；[Python SDK 教程](../../docs/user/guide/python-sdk.md)以此配置介绍设置方式、会话管理与安全边界。
+它组合了内置运行时所需的本地 PTY、裸 `fs-local` 后端、供持久 Bash 使用的 danger-full-access 策略，以及未压缩的 JSONL 持久化。[`minimal.py`](minimal.py) 通过 Python SDK 运行该配置，并把 `DSH_MODEL` 作为默认模型；[Python SDK 教程](../../docs/user/guide/python-sdk.md)以此配置介绍设置方式、会话管理与安全边界。

examples/jsonrpc-agent/minimal.cordis.yml

@@ -1,6 +1,6 @@
 # Complete unattended minimal-agent composition for the Python SDK. The model
-# sees one fixed system prompt and only the owner-scoped persistent Bash and
-# string-replace editor tools.
+# sees one deployment-selected system prompt and only the owner-scoped
+# persistent Bash and string-replace editor tools. Context compaction is absent.
 
 - id: jsonrpc
   name: '@deepseek-ai/dsh-jsonrpc'
@@ -9,6 +9,12 @@
 
 - id: llm-deepseek
   name: '@deepseek-ai/dsh-llm-deepseek'
+  config:
+    apiKeyEnv: DEEPSEEK_API_KEY
+    streamIdleTimeoutMs: 172800000
+    models:
+      - id: !!js process.env.DSH_MODEL ?? 'deepseek-v4-flash'
+        contextWindow: !!js Number(process.env.DSH_CONTEXT_WINDOW ?? 1000000)
 
 - id: sandbox
   name: '@deepseek-ai/dsh-sandbox-local'
@@ -30,22 +36,18 @@
   config:
     timeoutMs: 300000
 
-# The sandbox-aware filesystem backend applies the same per-session policy as
-# Bash. danger-full-access permits unrestricted workspace behavior while
-# keeping one policy boundary for both tools.
-- id: fs-sandbox
-  name: '@deepseek-ai/dsh-fs-sandbox'
+# The editor uses the bare local filesystem; persistent Bash still consumes the
+# shared danger-full-access sandbox policy above.
+- id: fs-local
+  name: '@deepseek-ai/dsh-fs-local'
   config:
     cwd: !!js process.env.DSH_CWD ?? process.cwd()
 
-- id: fs-policy
-  name: '@deepseek-ai/dsh-fs-policy'
-
 - id: agent-spine
   name: '@deepseek-ai/dsh-agent-spine-demo'
   config:
     includeHarnessIdentity: false
-    persona: You are a helpful software engineer assistant.
+    persona: !!js process.env.DSH_SYSTEM_PROMPT ?? 'You are a helpful software engineer assistant.'
     workspaceContext: false
     skills:
       enabled: false
@@ -76,16 +78,3 @@
   config:
     root: !!js process.env.DSH_SESSION_ROOT ?? './.sessions'
     compression: none
-
-- id: token-meter
-  name: '@deepseek-ai/dsh-token-meter'
-
-- id: compact-basic
-  name: '@deepseek-ai/dsh-compact-basic'
-  config:
-    thresholdRatio: 0.8
-    retainTokens: 20480
-    summarizationProvider: ''
-    summarizationModel: ''
-    maxTokens: 8192
-    compactionRetries: 1

examples/jsonrpc-agent/minimal.py

@@ -4,6 +4,7 @@
 from __future__ import annotations
 
 import argparse
+import os
 from pathlib import Path
 
 from deepseek_harness import DeepSeekHarness
@@ -20,7 +21,7 @@ def main() -> None:
     parser.add_argument("--session-root", type=Path, default=Path(".dsh-sessions"))
     parser.add_argument("--session-id")
     parser.add_argument("--provider", default="deepseek-official")
-    parser.add_argument("--model", default="deepseek-v4-flash")
+    parser.add_argument("--model", default=os.environ.get("DSH_MODEL", "deepseek-v4-flash"))
     parser.add_argument("--max-tokens", type=int)
     args = parser.parse_args()
 

examples/jsonrpc-agent/tests/sdk.snapshot.ts

@@ -38,7 +38,7 @@ const minimalReplayConfig = join(testsDir, '..', 'minimal.snapshot.cordis.yml')
 const runtimeBin = fileURLToPath(new URL('../../../packages/examples/jsonrpc-demo/src/bin.ts', import.meta.url))
 const repoTsconfig = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url))
 
-const MINIMAL_SYSTEM_PROMPT = 'You are a helpful software engineer assistant.'
+const MINIMAL_SYSTEM_PROMPT = 'You are the environment-selected minimal software engineer.'
 const MINIMAL_BASH_DESCRIPTION = `Run commands in a bash shell
 * When invoking this tool, the contents of the "command" parameter does NOT need to be XML-escaped.
 * You don't have access to the internet via this tool.
@@ -67,6 +67,8 @@ interface SdkScenario {
   children: number
   /** Optional scenario-specific live and replay compositions. */
   configs?: { live: string; replay: string }
+  /** Environment overrides passed to the runtime subprocess. */
+  environment?: Readonly<Record<string, string>>
   /** Cwd-relative files whose final contents are part of the scenario contract. */
   expectedFiles?: Readonly<Record<string, string>>
   /** Assembled model-facing tool names and required argument keys. */
@@ -104,6 +106,7 @@ const SCENARIOS: SdkScenario[] = [
     sessionId: 'persistent-tools-snapshot',
     children: 0,
     configs: { live: minimalLiveConfig, replay: minimalReplayConfig },
+    environment: { DSH_SYSTEM_PROMPT: MINIMAL_SYSTEM_PROMPT },
     expectedFiles: { 'note.txt': 'target:\n\tnew\n' },
     expectedTools: { bash: ['command'], str_replace_editor: ['command', 'path'] },
     expectedSystem: MINIMAL_SYSTEM_PROMPT,
@@ -291,6 +294,7 @@ async function runScenario(scenario: SdkScenario): Promise<{
       DSH_SNAPSHOT_FILE: parentFixture,
       ...childFixtures.length > 0 ? { DSH_SNAPSHOT_CHILD_FILES: childFixtures.join(delimiter) } : {},
     },
+    ...scenario.environment,
   }
 
   const harness = new DeepSeekHarness({