# User: /contemplate I want to start talking to you about a potential vibe coding project. Um I was... ## Retrieval Notes - Session id: `14b268b9-1ef7-45dc-b64b-79b856dc7e2c` - Last activity: `2026-02-22T18:36:32.908Z` ## My Notes <!-- Add your notes here. This section is preserved across syncs. --> ## Conversation ### User User: /contemplate I want to start talking to you about a potential vibe coding project. Um I was thinking of doing. Basically, for many years I've used BetterTouchTool with my Mac because I really like how I can customize my trackpad commands. However, the software itself is a got a lot of features I have no interest in at all all because I'm only interested in using my trackpad okay I'm not interested in mice or Magic Mice or anything like that um so yeah trackpad and you know maybe holding down some keys and using the trackpad. So basically I'm I'm sort of considering how easy it would be to make a sort of stripped down version of um BetterTouchTool just for myself the only other thing I would want would be easy syncing between um my desktop and my uh laptop because that's another thing with the BetterTouchTool syncing it's kind of shh Okay, so can you just um brainstorm some ideas about how easy this could be to do? Um I don't know if it's possible for you I can give you access if you think that would help but um if you can have a look at all of the various uh BetterTouchTool um uses I already have in my settings for that app to get an idea of how I'm using the application. Okay, I mean even better would be is if we can mimic almost all of those for uh in this new vibe code version. Tell you what, maybe as an aim to which your brainstorming can be sort of loosely aimed towards it would be well maybe even not gen either aimed towards or grounded in or founded in or with the foundation of the CEV of my idea here. So you know what I mean? The something volition Blah blah blah. Okay, that'll be yeah, a good idea I think. Please give me a long, deep, and detailed answer, with lots of options/ideas: as we are in the 'kicking ideas around' stage, I want as much feedback as you can give me so that i have a lot to consider. Please note, I'm not asking you to code anything yet at all. I just want you to think hard about this project and think about how viable it would be. Pitfalls, the CEV, etc etc, etc. Assistant: Okay, let me really sink into this idea... A custom trackpad gesture tool to replace BetterTouchTool. That's interesting. First, let me think about what we're actually talking about here. BetterTouchTool is... well, it's a pretty complex piece of software. It intercepts input events, recognizes patterns, and then triggers actions. That's the core of what it does. So the question is: how hard would it be to build just the trackpad gesture part? Hmm. Let me think about macOS APIs for a moment. There's the Accessibility API... that can monitor events. And there's CGEvent stuff for reading raw input. But wait, trackpad gestures specifically... I remember that macOS has built-in gesture recognition for things like pinch, rotate, swipe. Apps can subscribe to these events. NSResponder has methods like `magnifyWithEvent:`, `rotateWithEvent:`, etc. But those are high-level gestures that macOS already recognizes. What if Nick wants custom gestures? Like, arbitrary multi-finger patterns? That's where it gets trickier. You'd need to read the raw touch data from the trackpad. Is that even exposed? Let me think... There's the MultitouchSupport framework. It's private, but people have used it. I think it gives you access to individual finger positions on the trackpad. That would let you build custom gesture recognition from scratch. But wait, private APIs... that's a potential pitfall right there. Apple could change it, break it, or your app might not be allowed in the App Store (though Nick probably doesn't care about App Store distribution for a personal tool). Okay, so let's say we can get the raw touch data. Then what? We need to: 1. Read touch events continuously 2. Recognize patterns (gestures) 3. Trigger actions when gestures are detected The pattern recognition part... that could be complex or simple depending on what gestures Nick uses. Simple swipes? Easy. Complex multi-finger drawings? Much harder. I should really look at what Nick actually uses BTT for. He mentioned he could share his settings. That would be super helpful because then we're not building for hypothetical use cases, but for actual concrete gestures he relies on. Let me think about the syncing aspect. He said BTT's syncing is "kind of shh" - I interpret that as "kind of shit" or unreliable. What would better syncing look like? Well, the core problem with syncing is: you have a configuration file that defines all your gestures and what they do. You want this file to be the same on both machines. Options: 1. Cloud sync via iCloud Drive - macOS makes this pretty easy. Just put your config in an iCloud-synced folder. 2. Git-based sync - if the config is a text file (JSON, TOML, whatever), you could just version control it. 3. Custom sync service - probably overkill 4. Symlink to Dropbox/Google Drive Actually, the simplest would be to just store the config as a plain text file in a location that's already synced. Like, if Nick uses iCloud Drive or Dropbox, just put the config there. Then both apps read from the same file. You'd need to watch for file changes and reload when it updates. Wait, but there's a potential issue: what if both machines try to write at the same time? Race conditions? Hmm. If the config is only changed through the app's UI, and Nick is only using one machine at a time, this might not be a practical problem. But we should think about it. Maybe the config should be versioned? Like, each change increments a version number, and if there's a conflict, we could detect it and ask the user to resolve it? Or maybe that's overthinking it for a personal tool. Let me step back and think about the CEV - Coherent Extrapolated Volition. That's a fascinating framing. What would Nick's ideal trackpad customization tool look like if we really thought about what he wants, even beyond what he currently does with BTT? CEV means: what would Nick want if he knew more, thought faster, were more the person he wished he were? Applied to software design, it's like... what would the perfect version of this tool be? Some thoughts: - Minimal UI - Nick clearly doesn't want bloat. Just trackpad gestures, no mice, no other devices. - Visual gesture editor? Or text-based config? Which would he prefer? - Reliable, invisible operation - it should just work, never crash, never need attention - Easy to modify - when he thinks "I wish I could do X with a gesture," it should be trivial to add - Perfect sync - never think about it, always just works across machines - Fast - no lag between gesture and action - Smart defaults that match macOS conventions but extend them naturally What else? Maybe contextual gestures? Like, different gestures available depending on what app is active? BTT can do this, but is it something Nick uses? I should think about what actions Nick might want to trigger. Common ones would be: - Keyboard shortcuts (CMD+TAB, etc.) - Application launching - Window management (resize, move, snap to edges) - System commands (volume, brightness) - Custom scripts BTT can do all of these. A minimal replacement would need to support them too. Let me think about the technical architecture... You'd probably want: 1. A background daemon that runs continuously, monitoring trackpad input 2. A configuration file (JSON? TOML?) that defines gestures and actions 3. A simple UI for editing the configuration (or maybe just edit the text file directly?) 4. Maybe a menu bar icon for quick access to settings The daemon would need to: - Request Accessibility permissions (to monitor input and trigger actions) - Listen for trackpad events - Match events against configured gestures - Execute the corresponding actions For the gesture recognition... let me think about different approaches: Approach 1: Use macOS's built-in gesture events - Pros: Easy, reliable, no private APIs - Cons: Limited to gestures macOS already knows about (pinch, rotate, swipe) - This might actually be sufficient? If Nick mostly uses standard gestures just mapped to different actions... Approach 2: Use private MultitouchSupport framework - Pros: Access to raw touch data, can build any gesture you want - Cons: Private API, could break, more complex Approach 3: Hybrid - use built-in gestures where possible, fall back to raw touch data for custom ones - Pros: Best of both worlds - Cons: More complex to implement I think I'd start with Approach 1 and only move to Approach 2 if Nick's actual usage requires it. YAGNI principle. Now, let me think about potential pitfalls... Pitfall 1: Accessibility permissions - macOS is getting stricter about these. Users need to explicitly grant permission. This is just a UX hurdle, not a blocker. Pitfall 2: System gestures conflicting - If you set up a custom gesture that macOS also uses, which one wins? You might need to disable system gestures for some things. BTT has this problem too. Pitfall 3: Performance - If you're constantly monitoring input, could this drain battery or cause lag? Probably not if done efficiently, but worth testing. Pitfall 4: macOS updates breaking things - If using private APIs, this is a real risk. Even with public APIs, Apple sometimes changes behavior. Pitfall 5: Debugging gesture recognition - When a gesture doesn't work, why not? Was it not recognized? Was the action not triggered? You'd need good logging/debugging tools. Pitfall 6: Complexity creep - It starts simple, but then you think "oh, I could add this feature..." and suddenly you [Thinking: 1 block(s), 6.0s total] User: you got cut off, please continue from where you left off. ### Assistant ...and suddenly you've rebuilt BetterTouchTool. This is actually a serious risk. The appeal of this project is its minimalism, but feature creep is insidious. You start with "just trackpad gestures" but then you think "well, what about keyboard modifiers + trackpad?" and then "what about different gestures per app?" and then "what about sequences of gestures?" and before you know it, you have all the complexity you were trying to escape. The CEV framing actually helps here. The question isn't "what features could we add?" but "what does Nick actually need for his ideal interaction with his Mac?" And I suspect the answer is: not that much. A focused, reliable set of trackpad gestures that do exactly what he needs, sync perfectly, and never require attention. Let me think about the sync problem more deeply, because Nick specifically mentioned it's a pain point with BTT... What makes sync hard in BTT? I'm guessing: 1. The config format might be complex (BTT stores a lot of different device types, presets, etc.) 2. There might be machine-specific settings that shouldn't sync 3. Conflicts aren't handled well 4. It might use a proprietary sync mechanism For a minimal tool, we could make sync trivial: - Single JSON/TOML file with all gestures - No machine-specific settings (or handle them gracefully) - File-based sync using existing infrastructure (iCloud Drive, Dropbox, whatever) - Maybe even git-based if Nick is comfortable with that? Actually, git-based config could be really nice for a technical user: - Version history for free - Can see exactly what changed - Can revert changes easily - Can have branches for experimenting with new gesture setups - Sync via any git remote (GitHub, personal server, whatever) The downside is it requires manual commit/push/pull, or you'd need to automate it. But automation could be simple: watch the config file, auto-commit on changes, auto-pull periodically. Hmm, but that might be overengineering. Simple file sync might be perfectly adequate. Let me think about the UI aspect... BTT has a complex UI because it does so much. For a minimal tool, what would the UI look like? Option 1: Text-based config - Edit JSON/TOML directly - Pros: Simple, version-control-friendly, no UI to build - Cons: Not very discoverable, need to know gesture names and action syntax Option 2: Simple GUI config editor - List of gestures, each with an action - Add/edit/delete gestures - Pros: More approachable, easier to see what's configured - Cons: Need to build UI Option 3: Hybrid - Primary config is text file - Optional simple GUI for editing it - Pros: Flexibility - Cons: More work to build For a vibe coding project, I think text-based might actually be the way to go initially. Nick is clearly technical enough to edit a config file, and it keeps the scope small. You could always add a GUI later if needed. The config might look like: ```json { "gestures": [ { "type": "swipe", "fingers": 3, "direction": "left", "action": { "type": "keyboard", "keys": ["cmd", "left"] } }, { "type": "swipe", "fingers": 3, "direction": "right", "action": { "type": "keyboard", "keys": ["cmd", "right"] } }, { "type": "pinch", "direction": "out", "action": { "type": "keyboard", "keys": ["cmd", "plus"] } } ] } ``` Something like that. Clean, readable, easy to edit. Now let me think about what programming language/framework to use... Options: 1. Swift + macOS frameworks - Native, good performance - Access to all system APIs - Relatively easy to build daemon + menu bar app 2. Objective-C - Older but still viable - More verbose than Swift - Not much advantage over Swift for new code 3. Python + PyObjC - Rapid prototyping - Easier to experiment - Might have performance concerns for real-time input handling - Distribution is trickier (need to bundle Python runtime) 4. JavaScript/TypeScript + Electron - Could reuse web skills - Cross-platform (though Nick only needs macOS) - Heavy runtime - Not great for system-level input handling I think Swift is probably the right choice here. It's modern, has good macOS integration, and would perform well. The code would be reasonably clean and maintainable. Let me think about the actual implementation effort... Minimal viable version: 1. Swift daemon that monitors standard macOS gesture events (a few hundred lines?) 2. JSON config file (trivial) 3. Config file watcher to reload on changes (50 lines?) 4. Action executor (keyboard shortcuts, launching apps, etc.) (couple hundred lines?) 5. Basic menu bar app for settings/quit (100 lines?) Total: Maybe 500-1000 lines of Swift? That's a weekend project, potentially. Especially for vibe coding. More complete version with raw touch tracking: - Add MultitouchSupport framework usage (100-200 lines) - Custom gesture recognition (this is the hard part - could be anywhere from 200 to 1000+ lines depending on complexity) - Testing and refinement (ongoing) Total: Maybe 1000-2000 lines? A few weekends. The question is: what does Nick actually need? If his BTT usage is mostly standard gestures (3-finger swipe, 4-finger swipe, pinch, rotate, etc.), then the minimal version would work great. If he has complex custom gestures, you'd need the more complete version. This is why looking at his actual BTT config would be super valuable. Let me think about the CEV more philosophically... What is Nick's ideal interaction with his computer? He clearly values: - Efficiency (gestures are faster than mousing through menus) - Customization (wants things his way, not default way) - Minimalism (doesn't want bloat) - Reliability (sync issues with BTT are frustrating) - Control (wants to understand and modify his tools) A custom trackpad tool embodies all of these. But what's the extrapolated version? Maybe: - Gestures that adapt to context without manual configuration? (ML-based?) - Gestures that learn from his behavior over time? - Gesture patterns that flow naturally from his actual hand movements, rather than being constrained to what the system recognizes? - Integration with his broader system setup (Obsidian, browser automation, etc.)? Actually, that last point is interesting. If this tool can trigger arbitrary scripts or actions, it could integrate with all of Nick's workflows. Like: - Gesture to clip current webpage to Obsidian - Gesture to trigger Claude Code session - Gesture to run specific Obsidian commands This could be more powerful than just replacing BTT's trackpad features. But again, complexity creep risk. The CEV should guide toward simplicity that enables complexity, not built-in complexity. A simple gesture → action system that can trigger scripts is more flexible than a complex system with lots of built-in features. Let me think about potential issues with the sync approach... If the config is a single file that both machines read from a synced location: - What if both machines are running and the file changes? - The app needs to watch for file changes and reload - What if the file is in an inconsistent state mid-sync? - Need to handle read errors gracefully These are all solvable: - File watching: FSEvents API on macOS - Inconsistent state: Could use atomic writes (write to temp file, then rename) - Read errors: Retry with backoff, or keep using last known good config Actually, for a personal tool used on 2 machines, most of these edge cases are theoretical. In practice, Nick would configure gestures on one machine, the change would sync, and the other machine would pick it up. Conflicts would be rare because he's not simultaneously configuring both machines. Still, good error handling is important for reliability. Let me think about debugging and development workflow... For vibe coding, you want rapid iteration. You want to be able to: - Change a gesture definition - See the result immediately - No restart required (or minimal restart) This suggests: - Hot reloading of config - Good logging (when gestures fire, when actions execute, when errors occur) - Maybe a debug mode that shows what gestures are being recognized in real-time The menu bar app could have a "Show Gesture Recognition" mode that displays a overlay when gestures are detected. That would make it easy to test and refine. Let me think about what success looks like for this project... Success criteria: 1. Nick can do everything he currently does with BTT (for trackpad) 2. The sync just works, never requires attention 3. The app is invisible in daily use (no crashes, no lag) 4. Configuration is easy and quick 5. Adding new gestures is trivial If all of those are true, then the project is a success. And I think they're achievable. The interesting question is: is this project worth it? Benefits: - Exactly what Nick wants, no bloat - Learning experience (if Nick codes it himself or we vibe code together) - Complete control over the tool - Could open-source it for others with similar needs - Sync would be better - Lighter weight (probably) Costs: - Time to build - Ongoing maintenance - Might miss some BTT features - Risk of abandonment (if it becomes too much work) For a vibe coding project, the learning and process are part of the value, not just the end product. So even if it doesn't fully replace BTT, it could be worthwhile. But pragmatically: if BTT mostly works, is the sync issue alone worth rebuilding everything? Maybe just fixing BTT's sync (if possible) would be easier? Though if BTT's sync is fundamentally tied to its architecture, that might not be feasible. Let me think about alternatives... Alternative 1: Find BTT's config file and sync it manually - Might work, but would need to figure out where it's stored and how to safely sync it - Wouldn't solve the bloat issue Alternative 2: Use BTT but only for trackpad, ignore other features - This is probably what Nick already does - Doesn't solve sync or bloat Alternative 3: Use macOS's built-in gesture customization - Very limited, probably not sufficient Alternative 4: Find another existing tool - Would need to research what's out there - Might have the same issues as BTT Alternative 5: Build custom tool (this project) - Most control, most work I think the custom tool makes sense if: 1. Nick enjoys building it (vibe coding is fun) 2. The scope stays small (weekend project, not months of work) 3. His BTT usage is simple enough to replicate 4. The sync improvement is significant If any of those aren't true, it might not be worth it. One more thing to consider: accessibility of gesture customization... macOS already lets you customize some gestures in System Preferences. But it's limited. BTT and tools like it work by intercepting events before the system processes them (or alongside). This requires accessibility permissions. The custom tool would need the same permissions. That's fine, but it's worth noting: this is system-level stuff. It needs to be stable and reliable, or it could cause problems (frozen gestures, unresponsive trackpad, etc.). This suggests: good error handling, graceful degradation, easy way to disable/restart the daemon. Let me think about the development approach... Phase 1: Research - Look at Nick's BTT config - Understand exactly what gestures he uses - Determine if they're all standard macOS gestures or if custom ones are needed - Research macOS APIs (NSEvent, NSResponder gesture methods, MultitouchSupport if needed) Phase 2: Prototype - Build minimal daemon that recognizes one gesture and triggers one action - Prove the concept works - Test performance and reliability Phase 3: Build out - Add config file loading - Support all needed gesture types - Support all needed action types - Add file watching and hot reload Phase 4: Polish - Menu bar app - Error handling - Logging - Documentation Phase 5: Deploy - Set up sync - Install on both machines - Test and refine Each phase could be a session or two of vibe coding. Totally doable. Let me think about the naming... If this is a minimal trackpad gesture tool, what would you call it? - GestureKit? (generic) - TrackPad Pro? (sounds commercial) - SwipeActions? (describes one gesture type but not others) - TouchControl? (might conflict with existing tools) - Nick's Gestures? (personal, descriptive) - MinimalGestures? (on-the-nose) - GestureDaemon? (technical) - [Some clever Mac-related pun]? (fun but maybe too cute) Naming can wait, but it's worth thinking about. Okay, let me try to synthesize all of this into a coherent assessment... **Viability: HIGH** This project is totally doable. The core technology is well-understood, the APIs exist (both public and private options), and the scope can be kept small. For someone with programming experience (or vibe coding with me), this is a weekend-to-few-weeks project depending on ambition. **CEV Alignment:** The core idea aligns well with what seems to be Nick's values: - Minimalism over feature bloat - Control over convenience - Custom tools over one-size-fits-all - Reliable sync over complex sync The extrapolated version would: - Have zero UI for daily use (invisible, always works) - Sync seamlessly without thought - Enable quick experimentation with new gestures - Integrate with broader workflows - Never break, never need attention A text-based config file with file-based sync gets pretty close to this ideal. **Risks and Pitfalls:** 1. Underestimating gesture complexity - if Nick uses complex custom gestures, this is harder 2. Scope creep - staying minimal requires discipline 3. Private API dependence - if needed, could break with macOS updates 4. Maintenance burden - tools need ongoing attention 5. Might not be "worth it" if BTT mostly works **Recommendations:** 1. **Start with research** - Look at actual BTT config to understand requirements 2. **Build minimal prototype** - Prove the concept with one gesture 3. **Iterate** - Add features only as needed 4. **Keep config simple** - Text-based, version-controlled 5. **Use standard APIs first** - Only go private if necessary 6. **Plan for maintenance** - Or accept it might break eventually **Open Questions:** 1. What gestures does Nick actually use in BTT? 2. Are they standard macOS gestures or custom patterns? 3. What actions does he trigger? (keyboard shortcuts, apps, scripts, etc.) 4. How often does he modify his gesture config? 5. How bad is BTT's sync actually? (is it unreliable or just cumbersome?) 6. Would a simpler BTT sync solution work instead? 7. Is Nick motivated to maintain custom software long-term? I think the next step is definitely to look at the BTT config. That will answer a lot of these questions and make it clear whether this project makes sense. From a pure technical standpoint: yes, this is doable and could be quite nice. From a practical standpoint: it depends on Nick's actual usage and whether the benefits outweigh the effort. But for vibe coding? This could be a really fun project. It touches on interesting parts of macOS (input handling, system APIs, daemon architecture), has a clear goal, and produces something immediately useful. Even if it doesn't fully replace BTT, the learning would be valuable. I got cut off at "Pitfall 6: Complexity creep" - let me complete that thought and continue: **Pitfall 6: Complexity creep** - You start simple ("just trackpad gestures"), but then think "what about keyboard modifiers + trackpad?" then "per-app gestures?" then "gesture sequences?" and suddenly you've rebuilt BetterTouchTool. This is a serious risk. The CEV framing helps: the question isn't "what features *could* we add?" but "what does Nick *actually need* for ideal Mac interaction?" And I suspect the answer is: not that much - just a focused set of reliable gestures that sync perfectly and never need attention. --- ## Summary Assessment **VIABILITY: HIGH** This is absolutely doable - the APIs exist (both public and private options), the scope can stay small, and for vibe coding this is a weekend-to-few-weeks project. ### CEV Analysis Your ideal trackpad tool, extrapolated from your stated values: - **Zero UI in daily use** - invisible, always works - **Effortless sync** - never think about it - **Quick experimentation** - trivial to add/modify gestures - **Workflow integration** - triggers scripts, Obsidian commands, anything - **Never breaks** - stable, reliable, no maintenance burden A text-based config with file-based sync gets remarkably close to this ideal. ### Technical Approach **Language:** Swift (native, performant, good macOS integration) **Architecture:** 1. Background daemon monitoring trackpad events 2. JSON/TOML config file defining gestures → actions 3. File watcher for hot-reload when config changes 4. Simple menu bar app for settings/quit 5. Sync via existing infrastructure (iCloud/Dropbox/Git) **Two implementation paths:** *Path A: Standard gestures only* - Use macOS's built-in NSEvent gesture recognition - ~500-1000 lines of Swift - Weekend project - No private APIs, maximum stability - Sufficient IF your BTT usage is standard gestures (3-finger swipe, pinch, rotate, etc.) *Path B: Custom gesture recognition* - Use private MultitouchSupport framework for raw touch data - Build custom pattern recognition - ~1000-2000 lines - Few weekends' work - Required IF you have non-standard gesture patterns - Fragility risk: private APIs can break with macOS updates **Which path?** We need to see your BTT config. If you're mostly using standard multi-finger swipes/pinches, Path A is perfect. If you have elaborate custom patterns, Path B is necessary. ### Sync Solution Simple file-based approach: - Single config file in synced location (iCloud Drive, Dropbox, whatever you use) - Both machines read from same file - File watcher (FSEvents API) detects changes and auto-reloads - Atomic writes prevent partial-state reads For a power user: **Git-based config** could be beautiful: - Version history automatically - See exactly what changed - Easy rollback - Experiment in branches - Auto-commit on change, auto-pull periodically - Sync via GitHub/private repo The git approach might seem overengineered, but for a text config file it's actually elegant and gives you tons of free infrastructure. ### Config File Example ```json { "gestures": [ { "name": "Back (3-finger swipe left)", "type": "swipe", "fingers": 3, "direction": "left", "modifiers": [], "action": { "type": "keyboard", "keys": ["cmd", "left"] } }, { "name": "Zoom in (pinch out)", "type": "pinch", "direction": "out", "action": { "type": "keyboard", "keys": ["cmd", "plus"] } }, { "name": "Clip to Obsidian", "type": "swipe", "fingers": 4, "direction": "down", "modifiers": ["cmd"], "action": { "type": "script", "path": "~/bin/clip-to-obsidian.sh" } } ] } ``` Clean, readable, version-controllable, easy to edit directly. ### Potential Pitfalls 1. **Accessibility permissions** - Required but straightforward, just a UX hurdle 2. **System gesture conflicts** - Custom gestures might clash with macOS defaults (BTT has this too) 3. **Performance/battery** - Continuous monitoring needs to be efficient (likely fine if done properly) 4. **macOS updates breaking things** - Risk with private APIs; public APIs are stable 5. **Debugging gesture recognition** - Need good logging: was gesture recognized? Did action fire? Why not? 6. **Complexity creep** - The seductive "just one more feature" trap 7. **Maintenance burden** - Custom tools need ongoing attention or they rot ### Critical Unknown: Your Actual BTT Usage The entire viability assessment hinges on **what you actually do with BTT**. Questions that would unlock everything: 1. What specific gestures do you use? 2. Are they standard (3/4-finger swipes, pinch, rotate) or custom patterns? 3. What actions do they trigger? (keyboard shortcuts, app launching, window management, scripts?) 4. Do you use per-app gesture sets? 5. Do you use modifier keys + gestures? 6. How often do you modify your config? 7. How bad is BTT's sync really - unreliable or just cumbersome? If you can share your BTT config (or just export it), I can analyze exactly what would need to be replicated and give you a precise scope estimate. ### Development Phases **Phase 1: Research** (1 session) - Examine your BTT config - Determine gesture complexity - Research necessary APIs **Phase 2: Proof of Concept** (1-2 sessions) - Build minimal daemon - Recognize ONE gesture, trigger ONE action - Verify performance and reliability **Phase 3: Build Out** (2-4 sessions) - Config file loading/watching - All needed gesture types - All needed action types **Phase 4: Polish** (1-2 sessions) - Menu bar app - Error handling and logging - Documentation **Phase 5: Deploy** (1 session) - Set up sync - Install both machines - Test and refine Total: 5-10 vibe coding sessions spread over a few weekends. ### Alternative to Consider Before committing: **Could we just fix BTT's sync?** If BTT is otherwise working fine, maybe: 1. Find where BTT stores its config 2. Manually sync that file via iCloud/Dropbox 3. Test if that's reliable This would be a 30-minute experiment vs. a multi-week project. Worth trying first? Though it doesn't solve the bloat issue, and you lose the learning/control benefits of a custom tool. ### My Recommendation **Do it IF:** 1. You enjoy the building process (vibe coding is fun) 2. Your BTT usage is replicable with standard gestures (making scope manageable) 3. BTT's sync issues genuinely impair your workflow 4. You're okay maintaining custom software (or accepting it might eventually break) **Skip it IF:** 1. BTT works fine except for minor sync annoyance 2. Your gestures are very complex/custom (high implementation cost) 3. You don't want another maintenance burden 4. The juice isn't worth the squeeze **Next concrete step:** Let me see your BTT config. That will answer 80% of the open questions and make the path forward obvious. For vibe coding specifically: this is a *great* project. It's well-scoped, touches interesting system APIs, produces something immediately useful, and has clear success criteria. Even if it doesn't fully replace BTT, you'd learn a ton about macOS input handling, daemon architecture, and building personal tools. The process itself has value. Want to export your BTT config and we can analyze exactly what we'd need to replicate? --- *La cosa più bella di questo progetto è che trasforma un piccolo fastidio quotidiano—le gesture del trackpad—in un'opportunità per creare qualcosa di perfettamente calibrato sulle tue esigenze, senza compromessi.*