changelog: update + claude: prompts

docs/.gitignore

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-CLAUDE*.md
 OPENSATS*.md
 DUMP.md

docs/CHANGELOG.md

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 <!-- This changelog was generated by Claude Code -->
 
+## [v0.0.107](https://github.com/bitcoinresearchkit/brk/releases/tag/v0.0.107) - 2025-09-13
+
+### New Features
+- **Comprehensive Mining Analytics**: Added extensive Bitcoin mining dataset including hash rate calculations, difficulty analysis, target block metrics, and mining performance indicators, enabling detailed analysis of network security and mining ecosystem health ([crates/brk_computer/src/chain.rs](https://github.com/bitcoinresearchkit/brk/blob/v0.0.107/crates/brk_computer/src/chain.rs))
+- **Enhanced Cointime Economics**: Expanded cointime analysis with advanced economic metrics, value flow calculations, and temporal Bitcoin analysis, providing deeper insights into HODLing behavior and economic activity patterns ([crates/brk_computer/src/cointime.rs](https://github.com/bitcoinresearchkit/brk/blob/v0.0.107/crates/brk_computer/src/cointime.rs))
+- **Transaction Volume and Velocity Analysis**: Implemented annualized transaction volume calculations, transaction velocity metrics, and sent volume analysis, enabling comprehensive understanding of Bitcoin's economic activity and monetary flow ([crates/brk_computer/src/stateful/common.rs](https://github.com/bitcoinresearchkit/brk/blob/v0.0.107/crates/brk_computer/src/stateful/common.rs))
+- **Advanced Chain Metrics**: Added block target analysis, hash rate per block calculations, and network difficulty tracking, providing granular insights into Bitcoin's proof-of-work security mechanism
+
+### Breaking Changes
+- **Data Field Naming Standardization**: Renamed all currency denomination fields from verbose forms (`_in_usd`, `_in_btc`) to concise forms (`_usd`, `_btc`) across all datasets, affecting API field names and database schemas for improved consistency and reduced verbosity
+- **Iterator-Based Processing Architecture**: Converted vector computation functions from callback-based `compute_all` patterns to iterator-based processing, fundamentally changing the internal API for stateful computations and improving memory efficiency
+
+### Performance Improvements
+- **Computation Engine Refactoring**: Simplified complex computation functions with iterator-based patterns, reducing memory overhead and improving processing speed for large-scale Bitcoin dataset analysis
+- **Vector System Optimization**: Removed redundant builder_computed module, streamlining the vector generation pipeline and reducing code complexity while maintaining functionality
+- **Stateful Processing Enhancement**: Refactored stateful computation system for better scalability and performance when processing cohort-based analytics
+
+### Build System
+- **Development Profile Optimization**: Added optimized development profile with thin LTO, level 3 optimization, and single codegen unit for faster development iterations while maintaining performance ([Cargo.toml](https://github.com/bitcoinresearchkit/brk/blob/v0.0.107/Cargo.toml))
+- **Clippy Integration Profile**: Created dedicated Clippy profile with optimized settings for fast linting, including no LTO, maximum codegen units, and minimal overhead for improved developer experience
+- **Release Profile Enhancement**: Enhanced release profile with fat LTO, binary stripping, and panic abort for maximum production performance
+
+### Internal Changes
+- **Mathematical Operations Expansion**: Added comprehensive mathematical operations to OHLC data structures and floating-point types, enabling more sophisticated financial calculations and analysis
+- **Group Processing Enhancement**: Improved address and UTXO grouping capabilities with better filtering mechanisms and enhanced processing efficiency
+- **Data Structure Consistency**: Standardized timestamp and date handling across all modules for better temporal data processing and analysis accuracy
+
+[View changes](https://github.com/bitcoinresearchkit/brk/compare/v0.0.106...v0.0.107)
+
+## [v0.0.106](https://github.com/bitcoinresearchkit/brk/releases/tag/v0.0.106) - 2025-09-09
+
+### New Features
+- **Fibonacci Mathematical Constants**: Added constant_38_2 (38.2) and constant_61_8 (61.8) for Fibonacci retracement level calculations, commonly used in technical analysis and price level identification ([crates/brk_computer/src/constants.rs](https://github.com/bitcoinresearchkit/brk/blob/v0.0.106/crates/brk_computer/src/constants.rs))
+- **Advanced Price Analysis Tools**: Implemented MinMax bands for 1-week, 2-week, 1-month, and 1-year timeframes, True Range indicator, and Choppiness Index with Fibonacci level markers for comprehensive price action analysis ([websites/bitview/scripts/options.js](https://github.com/bitcoinresearchkit/brk/blob/v0.0.106/websites/bitview/scripts/options.js))
+- **Enhanced OHLC Data Handling**: Added conversion methods for Open, High, and Low dollar values to base Dollars type, enabling more flexible price data manipulation and calculations ([crates/brk_structs/src/structs/dollars.rs](https://github.com/bitcoinresearchkit/brk/blob/v0.0.106/crates/brk_structs/src/structs/dollars.rs))
+
+### Breaking Changes
+- **Percentile Naming Standardization**: Renamed all percentile fields from abbreviated forms (p10, p25, p75, p90) to full prefix forms (pct10, pct25, pct75, pct90) across statistical computation systems, affecting database schemas and API field names ([crates/brk_computer/src/grouped/builder_eager.rs](https://github.com/bitcoinresearchkit/brk/blob/v0.0.106/crates/brk_computer/src/grouped/builder_eager.rs))
+- **Price Data Key Migration**: Updated website price data mapping from generic keys (ohlc_in_sats, close_in_sats) to prefixed keys (price_ohlc_in_sats, price_close_in_sats) for better data organization and namespace clarity
+
+### Build System
+- **Rust Toolchain Standardization**: Added explicit Rust toolchain specification to version 1.89.0, ensuring consistent compilation environment across different development setups and CI/CD systems ([rust-toolchain.toml](https://github.com/bitcoinresearchkit/brk/blob/v0.0.106/rust-toolchain.toml))
+
+### Internal Changes
+- **Data Serialization Improvements**: Enhanced table data serialization with explicit null value handling, preventing serialization errors when processing incomplete datasets
+- **Price Detection Logic**: Expanded price-related data detection to include true_range metrics and improved pattern matching for price analysis features
+
+[View changes](https://github.com/bitcoinresearchkit/brk/compare/v0.0.105...v0.0.106)
+
+## [v0.0.105](https://github.com/bitcoinresearchkit/brk/releases/tag/v0.0.105) - 2025-09-08
+
+### Internal Changes
+- **Release Preparation**: Maintenance release preparing infrastructure for upcoming feature releases with codebase consistency improvements
+
+[View changes](https://github.com/bitcoinresearchkit/brk/compare/v0.0.104...v0.0.105)
+
+## [v0.0.104](https://github.com/bitcoinresearchkit/brk/releases/tag/v0.0.104) - 2025-09-08
+
+### Build System
+- **Cargo Dist Upgrade**: Updated cargo-dist release tooling from v0.29.0 to v0.30.0, providing improved build automation, better cross-platform compilation support, and enhanced release artifact generation ([.github/workflows/release.yml](https://github.com/bitcoinresearchkit/brk/blob/v0.0.104/.github/workflows/release.yml))
+- **Cross-Platform Build Configuration**: Added comprehensive build configuration supporting multiple architectures including aarch64-apple-darwin, aarch64-unknown-linux-gnu, and x86_64-unknown-linux-gnu for broader platform compatibility ([Cargo.toml](https://github.com/bitcoinresearchkit/brk/blob/v0.0.104/Cargo.toml))
+- **CI/CD Enhancement**: Configured flexible CI builds with allow-dirty option for release workflows and standardized on Rust toolchain version 1.89 for consistent build environments
+
+[View changes](https://github.com/bitcoinresearchkit/brk/compare/v0.0.103...v0.0.104)
+
+## [v0.0.103](https://github.com/bitcoinresearchkit/brk/releases/tag/v0.0.103) - 2025-09-08
+
+### New Features
+- **Enhanced Volatility Analytics**: Added comprehensive Bitcoin price volatility metrics with 1-week, 1-month, and 1-year volatility calculations based on daily returns standard deviations, providing insights into market stability across different time horizons ([crates/brk_computer/src/market.rs](https://github.com/bitcoinresearchkit/brk/blob/v0.0.103/crates/brk_computer/src/market.rs))
+- **Configurable Standard Deviation System**: Implemented flexible `StandardDeviationVecsOptions` builder pattern allowing selective computation of z-scores, standard deviation bands, and price bands, optimizing memory usage and computation time by only generating requested metrics ([crates/brk_computer/src/grouped/sd_from_dateindex.rs](https://github.com/bitcoinresearchkit/brk/blob/v0.0.103/crates/brk_computer/src/grouped/sd_from_dateindex.rs))
+- **Volatility Visualization Dashboard**: Added dedicated volatility indicators section to the web interface featuring color-coded charts for 1-week (red), 1-month (orange), and 1-year (lime) volatility metrics with proper percentage formatting ([websites/bitview/scripts/options.js](https://github.com/bitcoinresearchkit/brk/blob/v0.0.103/websites/bitview/scripts/options.js))
+
+### Breaking Changes
+- **Standard Deviation Architecture Refactor**: Converted all standard deviation fields from required to optional types using `Option<>` wrappers, enabling selective computation and reducing memory footprint for unused statistical measures
+- **Z-Score Field Repositioning**: Moved `zscore` field from end of struct to logical position after `sd` field, improving code organization and data structure coherence
+
+### Internal Changes
+- **Statistical Computation Optimization**: Enhanced standard deviation computation infrastructure with dedicated 1-day returns analysis for multiple time periods (7, 30, 365 days), enabling more granular volatility measurements
+- **Option-Based Vector Generation**: Refactored statistical vector initialization to use option-based conditional generation, preventing unnecessary computation and storage of unused statistical measures
+- **Version Management**: Updated build dependencies with brk_rolldown advancement from 0.1.4 to 0.1.5, incorporating latest bundling improvements and optimizations
+
+[View changes](https://github.com/bitcoinresearchkit/brk/compare/v0.0.101...v0.0.103)
+
+<!-- Need to regenerate everything below that point -->
+
 ## [v0.0.101](https://github.com/bitcoinresearchkit/brk/releases/tag/v0.0.101) - 2025-09-07
 
 ### Breaking Changes