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Merged
skrabe merged 4 commits into from
Jun 10, 2026
Merged

Support CC 2.1.170 (Fable 5 release) #7

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f7c9417
feat(prompts): extract prompts JSON for CC 2.1.170 (Fable-era release)
skrabe Jun 9, 2026
74d1f37
docs(readme): bump target CC version to 2.1.170, refresh extractor co…
skrabe Jun 9, 2026
53c9f9c
fix(patch): adapt auto-mode classifier resolver to 2.1.170 Fable shape
skrabe Jun 9, 2026
e096008
feat(extractor): name the three partial-map code-review slots (four-z…
skrabe Jun 9, 2026
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6 changes: 3 additions & 3 deletions README.md
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Expand Up @@ -3,13 +3,13 @@
A hard fork of [Piebald-AI/tweakcc](https://github.com/Piebald-AI/tweakcc) that patches an installed Claude Code in place — both npm `cli.js` and the JavaScript embedded in a native Bun binary — to apply **curated system-prompt overrides** and a set of **fork-only patches**. It is purpose-built to pair with [skrabe/lobotomized-claude-code](https://github.com/skrabe/lobotomized-claude-code), and it stays current with every Claude Code release through its own prompt-extraction pipeline.

> [!IMPORTANT]
> **This fork is a superset of upstream and no longer merges from it (2026-06-04).** Upstream's `tweakcc` gates system-prompt overrides **off** for native installs and doesn't have this fork's override mechanisms (inline-blob, system-reminders) or extended extractor; we add those and apply system prompts to native installs too. Upstream is essentially static — recent releases are version bumps plus prompt-data drops we supersede (our extractor names 389 prompts for CC 2.1.169; Piebald's 2.1.169 extract has 348) — so there's nothing to gain by merging. We keep the `upstream` remote only as a **fetch-only comparison signal** and extract our own prompts.
> **This fork is a superset of upstream and no longer merges from it (2026-06-04).** Upstream's `tweakcc` gates system-prompt overrides **off** for native installs and doesn't have this fork's override mechanisms (inline-blob, system-reminders) or extended extractor; we add those and apply system prompts to native installs too. Upstream is essentially static — recent releases are version bumps plus prompt-data drops we supersede (our extractor names 389 prompts for CC 2.1.170; Piebald's 2.1.170 extract has 346) — so there's nothing to gain by merging. We keep the `upstream` remote only as a **fetch-only comparison signal** and extract our own prompts.

| | |
| ---------------------- | -------------------------------------------------------------------------------------------------------- |
| **This fork** | [skrabe/tweakcc-fixed](https://github.com/skrabe/tweakcc-fixed) |
| **Base** | [Piebald-AI/tweakcc](https://github.com/Piebald-AI/tweakcc) @ `bc41a43`, then diverged |
| **Target CC versions** | 2.0.98 through **2.1.169** |
| **Target CC versions** | 2.0.98 through **2.1.170** |
| **npm package** | `tweakcc-fixed` (separate from upstream's `tweakcc`) |
| **Pairs with** | [skrabe/lobotomized-claude-code](https://github.com/skrabe/lobotomized-claude-code) (Opus 4.8 overrides) |
| **Agent guide** | [`AGENTS.md`](./AGENTS.md) — bug-class diagnostics, patch authoring, the version-bump pipeline |
Expand Down Expand Up @@ -73,7 +73,7 @@ For detailed docs on these shared features, see the [upstream tweakcc README](ht

## Pairing with lobotomized-claude-code

Use this fork's extraction surface with [skrabe/lobotomized-claude-code](https://github.com/skrabe/lobotomized-claude-code) — overrides tuned for **Claude Opus 4.8** against this fork's extraction. Our named-prompt JSON catches prompts Piebald's published extract doesn't (389 named for CC 2.1.169 vs their 348 for 2.1.169), and the system-reminder + `string`-kind reach lets the overrides cover content the base mechanisms can't.
Use this fork's extraction surface with [skrabe/lobotomized-claude-code](https://github.com/skrabe/lobotomized-claude-code) — overrides tuned for **Claude Opus 4.8** against this fork's extraction. Our named-prompt JSON catches prompts Piebald's published extract doesn't (389 named for CC 2.1.170 vs their 346 for 2.1.170), and the system-reminder + `string`-kind reach lets the overrides cover content the base mechanisms can't.

## Install

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