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Merge remote-tracking branch 'origin/v2' into promise-chaining

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# Conflicts:
#	packages/codemode/src/interpreter/runtime.ts
#	packages/codemode/src/tool-runtime.ts
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Aiden Cline 2026-07-08 17:33:50 -05:00
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packages/codemode/README.md
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@ -62,7 +62,7 @@ const result =
`result` is always a `CodeMode.Result`. Program, validation, limit, and tool failures are returned as diagnostics rather than failing the Effect. Host interruption remains interruption.
Successful result values are JSON-safe data. A program that returns `undefined`, including by reaching the end without `return`, produces `null`; nested `undefined` values are normalized to `null` as well.
Successful result values are JSON-safe data. An explicit `return` produces the program result; when it is omitted, the final executable top-level expression is returned as a model-friendly REPL convenience. Otherwise reaching the end produces `null`. Returned `undefined` and nested `undefined` values are normalized to `null` as well.
## API
@ -241,7 +241,7 @@ CodeMode executes a deliberately bounded JavaScript subset. It supports:
- `if`, conditional expressions, `switch`, `for`, `for...of` (arrays, strings, Maps, Sets, including assignment-form destructuring such as `for ([key, value] of entries)`), `for...in` (own keys of plain objects, index strings of arrays, and namespace/tool names of `tools` references - anything else is an error suggesting `for...of` or `Object.keys`, rather than real JS's surprising behavior of indices for strings and zero iterations for Maps/Sets), `while`, and `do...while`.
- Arrow functions and function declarations with closures, defaults, rest parameters, and destructuring.
- Optional chaining, nullish coalescing, templates, spread (arrays, strings, Maps, Sets), and `try`/`catch`.
- Common array, string, number, `Object`, `Math`, and `JSON` operations. Mutating array methods include `push`/`pop`/`shift`/`unshift`/`splice` (removes in place and returns the removed elements)/`fill`/`copyWithin`; array `keys`/`values`/`entries` return **arrays** (matching the Map/Set convention) and work with `for...of` and spread. String methods include `localeCompare` (locale/options arguments ignored), `normalize`, and the `trimLeft`/`trimRight` aliases. `Object.keys` also accepts arrays (index strings, as in JS) and tool references: `Object.keys(tools)` lists the top-level namespaces, including `$codemode`, and `Object.keys(tools.ns)` lists the names at that node (a callable tool enumerates as `[]`; an unknown path is an `UnknownTool` diagnostic). `Object.values`/`Object.entries` on a tool reference fail with a pointer at `Object.keys(tools)` and `tools.$codemode.search`.
- Common array, string, number, `Object`, `Math`, and `JSON` operations, including primitive-number `valueOf`, the standard non-finite `Number` constants, and host-backed `Math.random`. Mutating array methods include `push`/`pop`/`shift`/`unshift`/`splice` (removes in place and returns the removed elements)/`fill`/`copyWithin`; array `keys`/`values`/`entries` return **arrays** (matching the Map/Set convention) and work with `for...of` and spread. String methods include `localeCompare` (locale/options arguments ignored), `normalize`, and the `trimLeft`/`trimRight` aliases. `Object.keys` also accepts arrays (index strings, as in JS) and tool references: `Object.keys(tools)` lists the top-level namespaces, including `$codemode`, and `Object.keys(tools.ns)` lists the names at that node (a callable tool enumerates as `[]`; an unknown path is an `UnknownTool` diagnostic). `Object.values`/`Object.entries` on a tool reference fail with a pointer at `Object.keys(tools)` and `tools.$codemode.search`.
- `Date` - `Date.now()`/`Date.parse()`/`Date.UTC()`, `new Date(...)`, the getter methods, and date arithmetic/comparison via the time value. Dates stringify as ISO (`toString` included, for determinism across host timezones).
- Regular expressions - `/literals/` and `new RegExp(...)` with `test`/`exec` (stateful `lastIndex` for `g`), plus string `match`/`matchAll`/`replace`/`replaceAll`/`split`/`search` with patterns. Match results are arrays carrying `index` and named `groups` as own properties (`input` is omitted). `replace` and `replaceAll` accept function replacers with captures, offset, input, and named groups; callbacks run sequentially, may await tool calls, and have their results coerced to strings. Invalid patterns, invalid flags, and missing-`g` calls fail with catchable errors that say what was wrong and how to fix it (escaping hints, the exact `/pattern/g` to write). Patterns run on the host engine, so pathological backtracking is bounded only by the execution timeout.
- `Map` and `Set` - construction from entries/arrays/strings, `get`/`set`/`add`/`has`/`delete`/`clear`/`size`/`forEach`, and `keys`/`values`/`entries` returning **arrays** (not iterators).