Unify Kimi/Codex skill naming and migrate legacy dotted Kimi dirs (#1971)

* fix: unify hyphenated skills and migrate legacy kimi dotted dirs

* fix: preserve legacy kimi dotted preset skill overrides

* fix: migrate kimi legacy dotted skills without ai-skills flag

* fix: harden kimi migration and cache hook init options

* fix: apply kimi preset skill overrides without ai-skills flag

* fix: keep sequential branch numbering beyond 999

* test: align kimi scaffold skill path with hyphen naming

* chore: align hook typing and preset skill comment

* fix: restore AGENT_SKILLS_DIR_OVERRIDES compatibility export

* refactor: remove AGENT_SKILLS_DIR_OVERRIDES and update callers

* fix(ps1): support sequential branch numbers above 999

* fix: resolve preset skill placeholders for skills agents

* Fix legacy kimi migration safety and preset skill dir checks

* Harden TOML rendering and consolidate preset skill restore parsing

* Fix PowerShell overflow and hook message fallback for empty invocations

* Restore preset skills from extensions

* Refine preset skill restore helpers

* Harden skill path and preset checks

* Guard non-dict init options

* Avoid deleting unmanaged preset skill dirs

* Unify extension skill naming with hooks

* Harden extension native skill registration

* Normalize preset skill titles

scripts/bash/create-new-feature.sh

@@ -89,9 +89,9 @@ get_highest_from_specs() {
         for dir in "$specs_dir"/*; do
             [ -d "$dir" ] || continue
             dirname=$(basename "$dir")
-            # Only match sequential prefixes (###-*), skip timestamp dirs
-            if echo "$dirname" | grep -q '^[0-9]\{3\}-'; then
-                number=$(echo "$dirname" | grep -o '^[0-9]\{3\}')
+            # Match sequential prefixes (>=3 digits), but skip timestamp dirs.
+            if echo "$dirname" | grep -Eq '^[0-9]{3,}-' && ! echo "$dirname" | grep -Eq '^[0-9]{8}-[0-9]{6}-'; then
+                number=$(echo "$dirname" | grep -Eo '^[0-9]+')
                 number=$((10#$number))
                 if [ "$number" -gt "$highest" ]; then
                     highest=$number
@@ -115,9 +115,9 @@ get_highest_from_branches() {
             # Clean branch name: remove leading markers and remote prefixes
             clean_branch=$(echo "$branch" | sed 's/^[* ]*//; s|^remotes/[^/]*/||')
             
-            # Extract feature number if branch matches pattern ###-*
-            if echo "$clean_branch" | grep -q '^[0-9]\{3\}-'; then
-                number=$(echo "$clean_branch" | grep -o '^[0-9]\{3\}' || echo "0")
+            # Extract sequential feature number (>=3 digits), skip timestamp branches.
+            if echo "$clean_branch" | grep -Eq '^[0-9]{3,}-' && ! echo "$clean_branch" | grep -Eq '^[0-9]{8}-[0-9]{6}-'; then
+                number=$(echo "$clean_branch" | grep -Eo '^[0-9]+' || echo "0")
                 number=$((10#$number))
                 if [ "$number" -gt "$highest" ]; then
                     highest=$number

scripts/powershell/create-new-feature.ps1

@@ -5,7 +5,7 @@ param(
     [switch]$Json,
     [string]$ShortName,
     [Parameter()]
-    [int]$Number = 0,
+    [long]$Number = 0,
     [switch]$Timestamp,
     [switch]$Help,
     [Parameter(Position = 0, ValueFromRemainingArguments = $true)]
@@ -48,12 +48,15 @@ if ([string]::IsNullOrWhiteSpace($featureDesc)) {
 function Get-HighestNumberFromSpecs {
     param([string]$SpecsDir)
     
-    $highest = 0
+    [long]$highest = 0
     if (Test-Path $SpecsDir) {
         Get-ChildItem -Path $SpecsDir -Directory | ForEach-Object {
-            if ($_.Name -match '^(\d{3})-') {
-                $num = [int]$matches[1]
-                if ($num -gt $highest) { $highest = $num }
+            # Match sequential prefixes (>=3 digits), but skip timestamp dirs.
+            if ($_.Name -match '^(\d{3,})-' -and $_.Name -notmatch '^\d{8}-\d{6}-') {
+                [long]$num = 0
+                if ([long]::TryParse($matches[1], [ref]$num) -and $num -gt $highest) {
+                    $highest = $num
+                }
             }
         }
     }
@@ -63,7 +66,7 @@ function Get-HighestNumberFromSpecs {
 function Get-HighestNumberFromBranches {
     param()
     
-    $highest = 0
+    [long]$highest = 0
     try {
         $branches = git branch -a 2>$null
         if ($LASTEXITCODE -eq 0) {
@@ -71,10 +74,12 @@ function Get-HighestNumberFromBranches {
                 # Clean branch name: remove leading markers and remote prefixes
                 $cleanBranch = $branch.Trim() -replace '^\*?\s+', '' -replace '^remotes/[^/]+/', ''
                 
-                # Extract feature number if branch matches pattern ###-*
-                if ($cleanBranch -match '^(\d{3})-') {
-                    $num = [int]$matches[1]
-                    if ($num -gt $highest) { $highest = $num }
+                # Extract sequential feature number (>=3 digits), skip timestamp branches.
+                if ($cleanBranch -match '^(\d{3,})-' -and $cleanBranch -notmatch '^\d{8}-\d{6}-') {
+                    [long]$num = 0
+                    if ([long]::TryParse($matches[1], [ref]$num) -and $num -gt $highest) {
+                        $highest = $num
+                    }
                 }
             }
         }
@@ -290,4 +295,3 @@ if ($Json) {
     Write-Output "HAS_GIT: $hasGit"
     Write-Output "SPECIFY_FEATURE environment variable set to: $branchName"
 }
-