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PARITY.md still claimed tool-capable JSON prompt runs leaked human-readable tool result lines, but a local mock SSE reproduction showed stdout already stays transport-clean. Add a real CLI regression test around the binary prompt path and update the parity note so future work does not chase a stale bug report. Constraint: Keep scope limited to JSON prompt parity and leave the existing README Philosophy edits untouched Rejected: Modify claw-cli transport code | current behavior already verified clean via a mock SSE prompt run Confidence: high Scope-risk: narrow Reversibility: clean Directive: Keep prompt JSON stdout parseable as a single transport object even when tool loops fire Tested: cargo test -p claw-cli prompt_json_with_tool_use_writes_clean_transport_output --test prompt_json_transport -- --nocapture Tested: cargo test -p claw-cli parses_bare_prompt_and_json_output_flag -- --nocapture Tested: cargo test -p claw-cli response_to_events_preserves_empty_object_json_input_outside_streaming -- --nocapture Not-tested: Live provider behavior outside the local mock SSE harness
215 lines
9.3 KiB
Markdown
215 lines
9.3 KiB
Markdown
# PARITY GAP ANALYSIS
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Scope: read-only comparison between the original TypeScript source at `/home/bellman/Workspace/claw-code/src/` and the Rust port under `rust/crates/`.
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Method: compared feature surfaces, registries, entrypoints, and runtime plumbing only. No TypeScript source was copied.
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## Executive summary
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The Rust port has a good foundation for:
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- Anthropic API/OAuth basics
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- local conversation/session state
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- a core tool loop
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- MCP stdio/bootstrap support
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- CLAW.md discovery
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- a small but usable built-in tool set
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It is **not feature-parity** with the TypeScript CLI.
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Largest gaps:
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- **plugins** are effectively absent in Rust
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- **hooks** are parsed but not executed in Rust
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- **CLI breadth** is much narrower in Rust
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- **skills** are local-file only in Rust, without the TS registry/bundled pipeline
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- **assistant orchestration** lacks TS hook-aware orchestration and remote/structured transports
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- **services** beyond core API/OAuth/MCP are mostly missing in Rust
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---
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## tools/
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### TS exists
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Evidence:
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- `src/tools/` contains broad tool families including `AgentTool`, `AskUserQuestionTool`, `BashTool`, `ConfigTool`, `FileReadTool`, `FileWriteTool`, `GlobTool`, `GrepTool`, `LSPTool`, `ListMcpResourcesTool`, `MCPTool`, `McpAuthTool`, `ReadMcpResourceTool`, `RemoteTriggerTool`, `ScheduleCronTool`, `SkillTool`, `Task*`, `Team*`, `TodoWriteTool`, `ToolSearchTool`, `WebFetchTool`, `WebSearchTool`.
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- Tool execution/orchestration is split across `src/services/tools/StreamingToolExecutor.ts`, `src/services/tools/toolExecution.ts`, `src/services/tools/toolHooks.ts`, and `src/services/tools/toolOrchestration.ts`.
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### Rust exists
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Evidence:
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- Tool registry is centralized in `rust/crates/tools/src/lib.rs` via `mvp_tool_specs()`.
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- Current built-ins include shell/file/search/web/todo/skill/agent/config/notebook/repl/powershell primitives.
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- Runtime execution is wired through `rust/crates/tools/src/lib.rs` and `rust/crates/runtime/src/conversation.rs`.
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### Missing or broken in Rust
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- No Rust equivalents for major TS tools such as `AskUserQuestionTool`, `LSPTool`, `ListMcpResourcesTool`, `MCPTool`, `McpAuthTool`, `ReadMcpResourceTool`, `RemoteTriggerTool`, `ScheduleCronTool`, `Task*`, `Team*`, and several workflow/system tools.
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- Rust tool surface is still explicitly an MVP registry, not a parity registry.
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- Rust lacks TS’s layered tool orchestration split.
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**Status:** partial core only.
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---
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## hooks/
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### TS exists
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Evidence:
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- Hook command surface under `src/commands/hooks/`.
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- Runtime hook machinery in `src/services/tools/toolHooks.ts` and `src/services/tools/toolExecution.ts`.
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- TS supports `PreToolUse`, `PostToolUse`, and broader hook-driven behaviors configured through settings and documented in `src/skills/bundled/updateConfig.ts`.
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### Rust exists
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Evidence:
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- Hook config is parsed and merged in `rust/crates/runtime/src/config.rs`.
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- Hook config can be inspected via Rust config reporting in `rust/crates/commands/src/lib.rs` and `rust/crates/claw-cli/src/main.rs`.
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- Prompt guidance mentions hooks in `rust/crates/runtime/src/prompt.rs`.
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### Missing or broken in Rust
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- No actual hook execution pipeline in `rust/crates/runtime/src/conversation.rs`.
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- No PreToolUse/PostToolUse mutation/deny/rewrite/result-hook behavior.
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- No Rust `/hooks` parity command.
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**Status:** config-only; runtime behavior missing.
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---
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## plugins/
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### TS exists
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Evidence:
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- Built-in plugin scaffolding in `src/plugins/builtinPlugins.ts` and `src/plugins/bundled/index.ts`.
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- Plugin lifecycle/services in `src/services/plugins/PluginInstallationManager.ts` and `src/services/plugins/pluginOperations.ts`.
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- CLI/plugin command surface under `src/commands/plugin/` and `src/commands/reload-plugins/`.
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### Rust exists
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Evidence:
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- No dedicated plugin subsystem appears under `rust/crates/`.
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- Repo-wide Rust references to plugins are effectively absent beyond text/help mentions.
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### Missing or broken in Rust
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- No plugin loader.
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- No marketplace install/update/enable/disable flow.
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- No `/plugin` or `/reload-plugins` parity.
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- No plugin-provided hook/tool/command/MCP extension path.
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**Status:** missing.
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---
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## skills/ and CLAW.md discovery
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### TS exists
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Evidence:
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- Skill loading/registry pipeline in `src/skills/loadSkillsDir.ts`, `src/skills/bundledSkills.ts`, and `src/skills/mcpSkillBuilders.ts`.
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- Bundled skills under `src/skills/bundled/`.
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- Skills command surface under `src/commands/skills/`.
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### Rust exists
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Evidence:
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- `Skill` tool in `rust/crates/tools/src/lib.rs` resolves and reads local `SKILL.md` files.
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- CLAW.md discovery is implemented in `rust/crates/runtime/src/prompt.rs`.
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- Rust supports `/memory` and `/init` via `rust/crates/commands/src/lib.rs` and `rust/crates/claw-cli/src/main.rs`.
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### Missing or broken in Rust
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- No bundled skill registry equivalent.
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- No `/skills` command.
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- No MCP skill-builder pipeline.
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- No TS-style live skill discovery/reload/change handling.
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- No comparable session-memory / team-memory integration around skills.
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**Status:** basic local skill loading only.
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---
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## cli/
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### TS exists
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Evidence:
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- Large command surface under `src/commands/` including `agents`, `hooks`, `mcp`, `memory`, `model`, `permissions`, `plan`, `plugin`, `resume`, `review`, `skills`, `tasks`, and many more.
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- Structured/remote transport stack in `src/cli/structuredIO.ts`, `src/cli/remoteIO.ts`, and `src/cli/transports/*`.
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- CLI handler split in `src/cli/handlers/*`.
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### Rust exists
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Evidence:
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- Shared slash command registry in `rust/crates/commands/src/lib.rs`.
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- Rust slash commands currently cover `help`, `status`, `compact`, `model`, `permissions`, `clear`, `cost`, `resume`, `config`, `memory`, `init`, `diff`, `version`, `export`, `session`.
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- Main CLI/repl/prompt handling lives in `rust/crates/claw-cli/src/main.rs`.
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### Missing or broken in Rust
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- Missing major TS command families: `/agents`, `/hooks`, `/mcp`, `/plugin`, `/skills`, `/plan`, `/review`, `/tasks`, and many others.
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- No Rust equivalent to TS structured IO / remote transport layers.
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- No TS-style handler decomposition for auth/plugins/MCP/agents.
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- JSON prompt mode now maintains clean transport output in tool-capable runs; targeted CLI coverage should guard against regressions.
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**Status:** functional local CLI core, much narrower than TS.
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---
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## assistant/ (agentic loop, streaming, tool calling)
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### TS exists
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Evidence:
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- Assistant/session surface at `src/assistant/sessionHistory.ts`.
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- Tool orchestration in `src/services/tools/StreamingToolExecutor.ts`, `src/services/tools/toolExecution.ts`, `src/services/tools/toolOrchestration.ts`.
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- Remote/structured streaming layers in `src/cli/structuredIO.ts` and `src/cli/remoteIO.ts`.
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### Rust exists
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Evidence:
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- Core loop in `rust/crates/runtime/src/conversation.rs`.
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- Stream/tool event translation in `rust/crates/claw-cli/src/main.rs`.
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- Session persistence in `rust/crates/runtime/src/session.rs`.
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### Missing or broken in Rust
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- No TS-style hook-aware orchestration layer.
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- No TS structured/remote assistant transport stack.
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- No richer TS assistant/session-history/background-task integration.
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- JSON output path is no longer single-turn only on this branch, and tool-capable prompt output now stays transport-clean like the TypeScript behavior.
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**Status:** strong core loop, missing orchestration layers.
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---
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## services/ (API client, auth, models, MCP)
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### TS exists
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Evidence:
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- API services under `src/services/api/*`.
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- OAuth services under `src/services/oauth/*`.
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- MCP services under `src/services/mcp/*`.
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- Additional service layers for analytics, prompt suggestion, session memory, plugin operations, settings sync, policy limits, team memory sync, notifier, voice, and more under `src/services/*`.
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### Rust exists
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Evidence:
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- Core Anthropic API client in `rust/crates/api/src/{client,error,sse,types}.rs`.
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- OAuth support in `rust/crates/runtime/src/oauth.rs`.
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- MCP config/bootstrap/client support in `rust/crates/runtime/src/{config,mcp,mcp_client,mcp_stdio}.rs`.
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- Usage accounting in `rust/crates/runtime/src/usage.rs`.
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- Remote upstream-proxy support in `rust/crates/runtime/src/remote.rs`.
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### Missing or broken in Rust
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- Most TS service ecosystem beyond core messaging/auth/MCP is absent.
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- No TS-equivalent plugin service layer.
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- No TS-equivalent analytics/settings-sync/policy-limit/team-memory subsystems.
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- No TS-style MCP connection-manager/UI layer.
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- Model/provider ergonomics remain thinner than TS.
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**Status:** core foundation exists; broader service ecosystem missing.
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---
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## Critical bug status in this worktree
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### Fixed
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- **Prompt mode tools enabled**
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- `rust/crates/claw-cli/src/main.rs` now constructs prompt mode with `LiveCli::new(model, true, ...)`.
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- **Default permission mode = DangerFullAccess**
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- Runtime default now resolves to `DangerFullAccess` in `rust/crates/claw-cli/src/main.rs`.
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- Clap default also uses `DangerFullAccess` in `rust/crates/claw-cli/src/args.rs`.
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- Init template writes `dontAsk` in `rust/crates/claw-cli/src/init.rs`.
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- **Streaming `{}` tool-input prefix bug**
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- `rust/crates/claw-cli/src/main.rs` now strips the initial empty object only for streaming tool input, while preserving legitimate `{}` in non-stream responses.
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- **Unlimited max_iterations**
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- Verified at `rust/crates/runtime/src/conversation.rs` with `usize::MAX`.
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### JSON prompt output cleanliness status
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- **JSON prompt output cleanliness**
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- Verified clean in tool-capable prompt mode: stdout remains a single final JSON object when tools fire.
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