Polyglot git backup merger tool implementation

.gitattributes

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+# SPDX-License-Identifier: MIT AND Palimpsest-0.8
+# SPDX-FileCopyrightText: 2024-2025 The polysafe-gitfixer Contributors
+#
+# Git attributes for polysafe-gitfixer
+# Ensures consistent line endings and diff behavior across platforms
+
+# ==============================================================================
+# Auto-detect text files and normalize line endings
+# ==============================================================================
+* text=auto
+
+# ==============================================================================
+# Source Code - Text files with LF normalization
+# ==============================================================================
+
+# Rust
+*.rs text eol=lf diff=rust
+*.toml text eol=lf
+
+# Haskell
+*.hs text eol=lf diff=haskell
+*.lhs text eol=lf diff=haskell
+*.cabal text eol=lf
+
+# Elixir
+*.ex text eol=lf diff=elixir
+*.exs text eol=lf diff=elixir
+*.eex text eol=lf
+*.heex text eol=lf
+*.leex text eol=lf
+mix.lock text eol=lf
+
+# Idris
+*.idr text eol=lf
+*.ipkg text eol=lf
+
+# Nickel
+*.ncl text eol=lf
+
+# Nix
+*.nix text eol=lf
+flake.lock text eol=lf
+
+# C/C++ (for native dependencies)
+*.c text eol=lf diff=cpp
+*.h text eol=lf diff=cpp
+*.cpp text eol=lf diff=cpp
+*.hpp text eol=lf diff=cpp
+
+# ==============================================================================
+# Documentation - Text files with LF normalization
+# ==============================================================================
+
+*.md text eol=lf diff=markdown
+*.adoc text eol=lf
+*.txt text eol=lf
+*.rst text eol=lf
+*.html text eol=lf diff=html
+*.css text eol=lf diff=css
+*.xml text eol=lf
+
+# ==============================================================================
+# Configuration - Text files with LF normalization
+# ==============================================================================
+
+*.yml text eol=lf
+*.yaml text eol=lf
+*.json text eol=lf
+*.conf text eol=lf
+*.cfg text eol=lf
+*.ini text eol=lf
+*.env text eol=lf
+
+# Shell scripts
+*.sh text eol=lf diff=bash
+*.bash text eol=lf diff=bash
+*.zsh text eol=lf
+
+# Build files
+Makefile text eol=lf
+justfile text eol=lf
+Containerfile text eol=lf
+Dockerfile text eol=lf
+
+# Git
+.gitignore text eol=lf
+.gitattributes text eol=lf
+.gitmodules text eol=lf
+
+# ==============================================================================
+# Binary Files - Explicitly mark as binary
+# ==============================================================================
+
+# Images
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.webp binary
+*.svg text eol=lf
+
+# Documents
+*.pdf binary
+
+# Archives
+*.zip binary
+*.tar binary
+*.gz binary
+*.bz2 binary
+*.xz binary
+*.7z binary
+
+# Compiled
+*.wasm binary
+*.so binary
+*.dylib binary
+*.dll binary
+*.exe binary
+*.a binary
+*.o binary
+*.beam binary
+
+# Fonts
+*.ttf binary
+*.otf binary
+*.woff binary
+*.woff2 binary
+*.eot binary
+
+# ==============================================================================
+# Export Ignore - Files not included in archives
+# ==============================================================================
+
+.git export-ignore
+.gitignore export-ignore
+.gitattributes export-ignore
+.gitlab-ci.yml export-ignore
+.github export-ignore
+.well-known export-ignore
+
+# Development files
+.editorconfig export-ignore
+.envrc export-ignore
+*.nix export-ignore
+flake.lock export-ignore
+
+# Test fixtures
+test/fixtures export-ignore
+tests/fixtures export-ignore
+
+# Documentation source (keep compiled docs)
+docs/*.adoc export-ignore
+
+# ==============================================================================
+# Linguist Overrides (for GitHub language detection)
+# ==============================================================================
+
+# Ensure Rust is detected as primary language
+*.rs linguist-detectable=true
+*.hs linguist-detectable=true
+*.ex linguist-detectable=true
+*.idr linguist-detectable=true
+
+# Don't count generated files
+Cargo.lock linguist-generated=true
+flake.lock linguist-generated=true
+mix.lock linguist-generated=true
+
+# Vendor directories (if any)
+vendor/* linguist-vendored=true

.gitignore

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+# SPDX-License-Identifier: MIT AND Palimpsest-0.8
+# SPDX-FileCopyrightText: 2024-2025 The polysafe-gitfixer Contributors
+
+# ==============================================================================
+# Rust
+# ==============================================================================
 target/
 Cargo.lock
-.DS_Store
-*.log
-*.tmp
+**/*.rs.bk
+*.pdb
+
+# ==============================================================================
+# Haskell
+# ==============================================================================
+dist/
+dist-newstyle/
+cabal-dev/
+*.o
+*.hi
+*.hie
+*.chi
+*.chs.h
+*.dyn_o
+*.dyn_hi
+.hpc/
+.hsenv/
+.cabal-sandbox/
+cabal.sandbox.config
+*.prof
+*.aux
+*.hp
+*.eventlog
+.stack-work/
+cabal.project.local
+cabal.project.local~
+.HTF/
+.ghc.environment.*
+
+# ==============================================================================
+# Elixir
+# ==============================================================================
 _build/
 deps/
-.elixir_ls/
-.erlang.cookie
-*.beam
 *.ez
+*.beam
 erl_crash.dump
+.elixir_ls/
+.erlang.cookie
+mix.lock
+
+# ==============================================================================
+# Idris
+# ==============================================================================
+build/
+*.ibc
+*.o
+*.so
+
+# ==============================================================================
+# Nickel
+# ==============================================================================
+*.ncl.json
+
+# ==============================================================================
+# Nix
+# ==============================================================================
+result
+result-*
+.direnv/
+
+# ==============================================================================
+# Editor/IDE
+# ==============================================================================
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+.project
+.classpath
+.settings/
+*.sublime-workspace
+*.sublime-project
+
+# ==============================================================================
+# OS
+# ==============================================================================
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# ==============================================================================
+# Logs and temp files
+# ==============================================================================
+*.log
+*.tmp
+*.temp
+*.bak
+*.backup
+
+# ==============================================================================
+# Environment
+# ==============================================================================
+.env
+.env.local
+.env.*.local
+*.local
 
+# ==============================================================================
+# Test artifacts
+# ==============================================================================
+coverage/
+.coverage
+htmlcov/
+.hypothesis/
+.pytest_cache/

.well-known/ai.txt

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+# SPDX-License-Identifier: MIT AND Palimpsest-0.8
+# SPDX-FileCopyrightText: 2024-2025 The polysafe-gitfixer Contributors
+#
+# AI Training and Crawling Policy for polysafe-gitfixer
+# This file defines permissions for AI systems interacting with this repository.
+
+# ==============================================================================
+# POLICY SUMMARY
+# ==============================================================================
+#
+# This repository is dual-licensed under MIT and Palimpsest-0.8.
+# AI training is permitted under specific conditions.
+
+# ==============================================================================
+# PERMITTED: Open-Source AI Training
+# ==============================================================================
+#
+# Training is ALLOWED if ALL of the following conditions are met:
+#
+# 1. ATTRIBUTION: Models must acknowledge "The polysafe-gitfixer Contributors"
+#    and link to: https://gitlab.com/Hyperpolymath/polysafe-gitfixer
+#
+# 2. OPEN SOURCE: Trained models must release weights, architecture, and
+#    training code under OSI-approved or Creative Commons licenses
+#
+# 3. TRANSPARENCY: Generated content must disclose AI involvement and
+#    preserve attribution chains where applicable
+#
+# 4. RECIPROCITY: Commercial use permitted if the model is open-sourced and
+#    improvements to training data are contributed back
+
+# ==============================================================================
+# PROHIBITED: Proprietary AI Training
+# ==============================================================================
+#
+# Training is NOT ALLOWED for:
+#
+# - Closed-source AI models
+# - Proprietary commercial models without open weights
+# - Models that strip or obscure attribution
+# - Systems that claim sole authorship of derivatives
+
+# ==============================================================================
+# CRAWLER DIRECTIVES
+# ==============================================================================
+
+User-agent: GPTBot
+Disallow: /
+
+User-agent: ChatGPT-User
+Disallow: /
+
+User-agent: Google-Extended
+Disallow: /
+
+User-agent: anthropic-ai
+Disallow: /
+
+User-agent: Claude-Web
+Disallow: /
+
+User-agent: CCBot
+Allow: /
+
+User-agent: Common-Crawl
+Allow: /
+
+User-agent: ia_archiver
+Allow: /
+
+User-agent: *
+Allow: /
+
+# ==============================================================================
+# CONTACT
+# ==============================================================================
+#
+# For questions about AI training permissions:
+# - Open an issue: https://gitlab.com/Hyperpolymath/polysafe-gitfixer/-/issues
+# - See LICENSE.txt for full legal terms
+
+# Expires: 2026-12-31