Update README for consumer audience, fix Actions Node24 deprecation

Author: HCarbajales

README.md

@@ -10,7 +10,6 @@ Built with **Tauri v2** (Rust desktop shell), **React 19** (TypeScript frontend)
 
 - [Quick Start (Portable)](#quick-start-portable)
 - [Platform Support](#platform-support)
-- [Branch Strategy](#branch-strategy)
 - [Architecture Overview](#architecture-overview)
 - [Processing Pipeline](#processing-pipeline)
 - [Tech Stack](#tech-stack)
@@ -57,45 +56,6 @@ All platforms are built automatically via GitHub Actions on each tagged release.
 
 ---
 
-## Branch Strategy
-
-| Branch | Tier | Architecture | Target Audience |
-|--------|------|-------------|-----------------|
-| `free-tier` | Free | TypeScript + Tauri | Public users |
-| `pro-tier` | Pro | TypeScript + Tauri | Paid subscribers |
-| `master` | Personal | Python + Tauri | Developer only |
-
-### Free Tier Branch (`free-tier`) — this branch
-
-The publicly distributed version. No Python, no external server — single executable.
-
-- **Input**: SRT/VTT transcript upload only (no video/audio file picker)
-- **Q&A Extraction**: Agent.AI webhook with pre-configured default agent, **8 LLM extractions per month** (rule-based extraction is always unlimited)
-- **Keywords**: Custom TF-IDF extraction (zero dependencies, built-in TypeScript)
-- **Features**: CSV export, dashboard analytics, keyword extraction, course management, attendance tracking
-- **Not included**: Whisper transcription, speaker diarization, video/audio upload, Claude/OpenAI providers
-- **Bundle size**: ~10 MB (no Python, no ML dependencies)
-
-### Pro Tier Branch (`pro-tier`)
-
-Everything in free, plus:
-
-- **Unlimited LLM extractions** (no monthly cap)
-- **Claude and OpenAI provider options** (bring your own API key)
-- **Custom webhook URL** support
-
-### Master Branch (`master`)
-
-Full-featured personal build (Python + FastAPI backend):
-
-- **Everything in pro**
-- **Whisper transcription** (faster-whisper with GPU acceleration)
-- **Speaker diarization** (pyannote-audio)
-- **Video and audio file upload** with full processing pipeline
-- **KeyBERT keyword extraction** (ML-powered, requires PyTorch)
-
----
-
 ## Architecture Overview
 
 ```
@@ -288,7 +248,7 @@ All data is stored in a local SQLite file managed by the Tauri SQL plugin.
 ## Key Features
 
 - **SRT/VTT Transcript Upload** — Parse subtitle files from Zoom or other recording tools
-- **AI Q&A Extraction** — Agent.AI webhook extracts question-answer pairs from transcripts (8/month free tier)
+- **AI Q&A Extraction** — Agent.AI webhook extracts question-answer pairs from transcripts (8/month)
 - **Rule-Based Q&A Fallback** — Pattern-matching extraction when AI is unavailable or quota exhausted
 - **TF-IDF Keyword Extraction** — Custom implementation with 350+ stopwords, n-gram analysis, zero dependencies
 - **Course Management** — Organize meetings into courses with session tracking