feat: cache repository context

.gitignore

@@ -4,6 +4,7 @@ generated/
 *.tmp
 *.bak
 backups/
+.ai-session/
 .env
 .env.*
 auth.json

scripts/repository-context.ps1

@@ -0,0 +1,23 @@
+[CmdletBinding()]
+param([switch]$Force,[switch]$Summary)
+$ErrorActionPreference = 'Stop'
+$root = Split-Path $PSScriptRoot -Parent
+$cacheDir = Join-Path $root '.ai-session'
+$cachePath = Join-Path $cacheDir 'repository-context.json'
+$safeRoot = $root.Replace('\','/')
+$head = (& git -c "safe.directory=$safeRoot" -C $root rev-parse HEAD 2>$null).Trim()
+$inputs = @('AI-Instructions.md','adapters/plugins.tsv','adapters/claude/rule-skills.tsv','adapters/codex/config/config.toml','adapters/claude/config/settings.json')
+$inputs += @(Get-ChildItem $root -File -Recurse | Where-Object { $_.FullName -notmatch '\\(generated|\.git|node_modules|bin|obj|vendor|\.ai-session)\\' -and $_.Extension -in @('.sln','.csproj','.fsproj','.ts','.tsx','.json','.toml','.yaml','.yml','.cs','.fs','.py','.sh','.ps1') } | ForEach-Object { $_.FullName.Substring($root.Length + 1) } | Sort-Object)
+$keyText = $head + "`n" + (($inputs | Sort-Object -Unique | ForEach-Object { $_ + ':' + (Get-FileHash (Join-Path $root $_) -Algorithm SHA256).Hash }) -join "`n")
+$key = [Convert]::ToBase64String([Text.Encoding]::UTF8.GetBytes($keyText)).TrimEnd('=')
+if (-not $Force -and (Test-Path $cachePath)) { try { $existing = Get-Content $cachePath -Raw | ConvertFrom-Json; if ($existing.invalidationKey -eq $key) { if ($Summary) { Write-Output 'Repository context: unchanged' }; exit 0 } } catch {} }
+$extensions = @(Get-ChildItem $root -File -Recurse | Where-Object { $_.FullName -notmatch '\\(generated|\.git|node_modules|bin|obj|vendor|\.ai-session)\\' } | Group-Object Extension | Sort-Object Count -Descending)
+$languages = @(); foreach ($item in $extensions) { switch ($item.Name.ToLowerInvariant()) { '.cs' { $languages += 'csharp' }; '.ts' { $languages += 'typescript' }; '.tsx' { $languages += 'typescript' }; '.py' { $languages += 'python' }; '.ps1' { $languages += 'powershell' }; '.sh' { $languages += 'bash' } } }
+$languages = @($languages | Sort-Object -Unique)
+$solutions = @(Get-ChildItem $root -Filter *.sln -File -Recurse | Where-Object { $_.FullName -notmatch '\\(generated|\.git)\\' } | ForEach-Object { $_.BaseName } | Sort-Object -Unique)
+$tests = @(Get-ChildItem $root -File -Recurse | Where-Object { $_.Name -match '(?i)test' -and $_.FullName -notmatch '\\(generated|\.git|node_modules|bin|obj)\\' } | ForEach-Object { $_.BaseName } | Sort-Object -Unique)
+$packageManager = if (Test-Path (Join-Path $root 'pnpm-lock.yaml')) { 'pnpm' } elseif (Test-Path (Join-Path $root 'package-lock.json')) { 'npm' } elseif (Test-Path (Join-Path $root 'yarn.lock')) { 'yarn' } else { $null }
+$data = [ordered]@{ invalidationKey=$key; head=$head; languages=$languages; frameworks=@(); solutions=$solutions; testProjects=$tests; packageManager=$packageManager; buildCommands=[ordered]@{}; generatedAt=(Get-Date).ToUniversalTime().ToString('o') }
+New-Item $cacheDir -ItemType Directory -Force | Out-Null
+$data | ConvertTo-Json -Depth 5 | Set-Content $cachePath -Encoding UTF8
+if ($Summary) { Write-Output ('Repository context: refreshed | {0} languages | {1} solutions | {2} tests' -f $languages.Count,$solutions.Count,$tests.Count) } else { Write-Output $cachePath }

scripts/repository-context.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -euo pipefail
+force=false; summary=false
+for arg in "$@"; do case "$arg" in --force) force=true;; --summary) summary=true;; *) printf 'Unknown argument: %s\n' "$arg" >&2; exit 1;; esac; done
+root=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd); cache_dir="$root/.ai-session"; cache_path="$cache_dir/repository-context.json"
+head=$(git -c "safe.directory=$root" -C "$root" rev-parse HEAD 2>/dev/null || true); key_input=$head
+while IFS= read -r file; do key_input+="\n$file:$(sha256sum "$file" | awk '{print $1}')"; done < <(find "$root" -type f \( -name AI-Instructions.md -o -path '*/adapters/*' \) ! -path '*/generated/*' ! -path '*/.git/*' ! -path '*/.ai-session/*' | sort)
+key=$(printf '%s' "$key_input" | sha256sum | awk '{print $1}')
+if [ "$force" = false ] && [ -f "$cache_path" ] && grep -Fq "\"invalidationKey\": \"$key\"" "$cache_path"; then [ "$summary" = true ] && printf 'Repository context: unchanged\n'; exit 0; fi
+mapfile -t languages < <(find "$root" -type f ! -path '*/generated/*' ! -path '*/.git/*' ! -path '*/node_modules/*' ! -path '*/.ai-session/*' | awk -F. 'NF>1 {print $NF}' | sort -u | awk 'BEGIN{a["cs"]="csharp";a["ts"]="typescript";a["tsx"]="typescript";a["py"]="python";a["ps1"]="powershell";a["sh"]="bash"} a[$1]!=""{print a[$1]}' | sort -u)
+solutions=$(find "$root" -type f -name '*.sln' ! -path '*/generated/*' -printf '"%f",' | sed 's/,$//'); tests=$(find "$root" -type f ! -path '*/generated/*' ! -path '*/.git/*' -iname '*test*' -printf '"%f",' | sed 's/,$//'); manager=null; [ -f "$root/pnpm-lock.yaml" ] && manager='"pnpm"'; [ -f "$root/package-lock.json" ] && manager='"npm"'; [ -f "$root/yarn.lock" ] && manager='"yarn"'
+mkdir -p "$cache_dir"; printf '{\n  "invalidationKey": "%s",\n  "head": "%s",\n  "languages": [%s],\n  "frameworks": [],\n  "solutions": [%s],\n  "testProjects": [%s],\n  "packageManager": %s,\n  "buildCommands": {}\n}\n' "$key" "$head" "$(printf '"%s",' "${languages[@]}" | sed 's/,$//')" "$solutions" "$tests" "$manager" > "$cache_path"
+if [ "$summary" = true ]; then printf 'Repository context: refreshed | %s languages | %s solutions\n' "${#languages[@]}" "$(find "$root" -type f -name '*.sln' ! -path '*/generated/*' | wc -l)"; else printf '%s\n' "$cache_path"; fi