feat(arl): tweak auto invite more

.github/copilot-instructions.md

@@ -10,7 +10,7 @@ AstralRaidLeader is a **World of Warcraft (Retail) addon** written in Lua. It ma
 |---|---|
 | `AstralRaidLeader.lua` | Core logic: event handling, auto-promote, guild rank resolution, consumable audit, death tracking, slash commands |
 | `AstralRaidLeader_Options.lua` | In-game settings window (760×500 custom frame) |
-| `AstralRaidLeader_Deaths.lua` | Death recap window (520×430 custom frame) |
+| `AstralRaidLeader_Deaths.lua` | Death recap window (640×430 custom frame) |
 | `AstralRaidLeader.toc` | Addon manifest; load order is `.lua` → `_Options.lua` → `_Deaths.lua` |
 
 The addon namespace is exposed as `_G["AstralRaidLeader"]` and referenced as `ARL` in every file.
@@ -122,15 +122,15 @@ frame (760×500, DIALOG strata, level 100)
 - `panels[3]` – Guild Ranks
 - `panels[4]` – Consumables
 - `panels[5]` – Deaths settings
-- `panels[6]` – Raid Groups (import, select, preview, apply)
+- `panels[6]` – Raid Groups (import, dropdown select, auto-apply toggle, preview, apply)
 - `panels[7]` – Raid Groups Settings (output/apply behavior toggles)
 
 **Main tab → sub-tabs mapping** is defined in `MAIN_TABS` and drives `SelectMainTab` / `SelectSubTab`.
 
 ### Death Recap Window (`AstralRaidLeader_Deaths.lua`)
 
 ```
-frame (520×430, DIALOG strata, level 110)
+frame (640×430, DIALOG strata, level 110)
 ├── header (same pattern as Options)
 ├── topCloseButton
 ├── dragRegion
@@ -254,3 +254,5 @@ Sets muted text color on `cb.Text`, brightens on hover. Idempotent via `cb._arlS
 12. **Cross-instance consumable false positives** — do not audit buffs for units outside your phase/instance; they will appear missing by default.
 13. **Raid-group actions in combat** — import/select/apply/delete/clear interactions for raid layouts must be blocked while in combat.
 14. **Auto-apply invite spam** — when auto-applying on member join, do not re-send invites for every roster update; subgroup apply can run without invite side effects.
+15. **Raid layout selector implementation** — panel 6 uses Blizzard `UIDropDownMenuTemplate`, not a custom button list. Preserve click-anywhere-to-open behavior and left-aligned selected-text styling.
+16. **Difficulty mismatch behavior** — applying a raid layout must fail with a clear message when current raid difficulty does not match the layout's imported difficulty.

AstralRaidLeader.lua

@@ -589,6 +589,89 @@ local function BuildRaidLayoutTargets(profile, snapshot)
     }
 end
 
+local RAID_DIFFICULTY_IDS = {
+    lfr = { [17] = true },
+    normal = { [14] = true },
+    heroic = { [15] = true },
+    mythic = { [16] = true },
+}
+
+local function NormalizeDifficultyToken(value)
+    local token = Trim(value):lower()
+    token = token:gsub("%s+", "")
+
+    if token == "" or token == "unknown" then
+        return ""
+    elseif token == "mythic" or token == "m" or token == "16" then
+        return "mythic"
+    elseif token == "heroic" or token == "h" or token == "15" then
+        return "heroic"
+    elseif token == "normal" or token == "n" or token == "14" then
+        return "normal"
+    elseif token == "lfr" or token == "17" then
+        return "lfr"
+    end
+
+    return token
+end
+
+local function GetCurrentRaidDifficultyInfo()
+    local raidDifficultyID = 0
+    if _G.GetRaidDifficultyID then
+        raidDifficultyID = tonumber(_G.GetRaidDifficultyID()) or 0
+    end
+
+    local difficultyName = ""
+    if raidDifficultyID > 0 and _G.GetDifficultyInfo then
+        local name = _G.GetDifficultyInfo(raidDifficultyID)
+        difficultyName = Trim(name)
+    end
+
+    if (raidDifficultyID <= 0 or difficultyName == "") and _G.GetInstanceInfo then
+        local _, _, difficultyID, difficultyText = _G.GetInstanceInfo()
+        if raidDifficultyID <= 0 then
+            raidDifficultyID = tonumber(difficultyID) or 0
+        end
+        if difficultyName == "" then
+            difficultyName = Trim(difficultyText)
+        end
+    end
+
+    return raidDifficultyID, difficultyName
+end
+
+local function IsRaidLayoutDifficultyMatch(profile)
+    local expectedToken = NormalizeDifficultyToken(profile and profile.difficulty)
+    if expectedToken == "" then
+        return true
+    end
+
+    local currentID, currentName = GetCurrentRaidDifficultyInfo()
+    local expectedIDs = RAID_DIFFICULTY_IDS[expectedToken]
+    if expectedIDs and currentID > 0 then
+        if expectedIDs[currentID] then
+            return true
+        end
+    end
+
+    local currentToken = NormalizeDifficultyToken(currentName)
+    if currentToken ~= "" and currentToken == expectedToken then
+        return true
+    end
+
+    local shownCurrent = Trim(currentName)
+    if shownCurrent == "" then
+        shownCurrent = currentID > 0 and ("ID " .. tostring(currentID)) or "Unknown"
+    end
+
+    return false, string.format(
+        "Raid layout |cffffd100%s|r is for |cffffd100%s|r, but current raid difficulty is |cffffd100%s|r.",
+        GetRaidLayoutLabel(profile),
+        Trim(profile.difficulty),
+        shownCurrent
+    )
+end
+
 local function StopRaidLayoutApply(message)
     ARL.raidLayoutApplyState = nil
     if message and message ~= "" then
@@ -777,6 +860,11 @@ local function ApplyRaidLayoutProfile(profile, options)
             "You must be the raid leader or an assistant to apply a raid layout."
     end
 
+    local difficultyOK, difficultyErr = IsRaidLayoutDifficultyMatch(profile)
+    if not difficultyOK then
+        return false, difficultyErr
+    end
+
     local snapshot = GetRaidRosterSnapshot()
     if #snapshot.entries == 0 then
         return false, "No raid roster data is available yet. Try again in a moment."

AstralRaidLeader_Deaths.lua

@@ -321,12 +321,22 @@ local function BuildDeathLine(i, entry)
         COLOR_PLAYER, entry.playerName, COLOR_RESET
     )
 
+    local spellId = entry.spellId
+    local mechanicName = entry.mechanic
+    if (not mechanicName or mechanicName == "" or mechanicName == "...")
+        and spellId and spellId > 0
+    then
+        local resolvedName = ResolveSpellNameAndIcon(spellId)
+        if resolvedName and resolvedName ~= "" then
+            mechanicName = resolvedName
+        end
+    end
+
     local spellText = string.format(
         "%s%s%s",
-        COLOR_MECHANIC, entry.mechanic, COLOR_RESET
+        COLOR_MECHANIC, mechanicName or "Unknown", COLOR_RESET
     )
 
-    local spellId = entry.spellId
     if spellId and spellId > 0 then
         local _, icon = ResolveSpellNameAndIcon(spellId)
         if icon then
@@ -355,14 +365,21 @@ local function PopulateDeathRow(row, i, entry)
     row.spellButton:EnableMouse(hasSpellTooltip)
 
     local desiredSpellW = SafeWidth(row.spellButton.text:GetStringWidth()) + 2
-    local spellW = math.max(24, math.min(desiredSpellW, 300))  -- cap at 300 to prevent overflow
+    local prefixW = SafeWidth(row.prefixText:GetStringWidth())
+    local suffixW = SafeWidth(row.suffixText:GetStringWidth())
+    local rowW = SafeWidth(row:GetWidth())
+    if rowW <= 0 then
+        rowW = 470
+    end
+    local availableSpellW = math.max(24, rowW - prefixW - suffixW - 14)
+    local spellW = math.max(24, math.min(desiredSpellW, availableSpellW))
 
     row.spellButton:ClearAllPoints()
     row.spellButton:SetPoint("LEFT", row.prefixText, "RIGHT", 4, 0)
     row.spellButton:SetWidth(spellW)
 
     row.suffixText:ClearAllPoints()
-    row.suffixText:SetPoint("LEFT", row.spellButton, "RIGHT", 2, 0)
+    row.suffixText:SetPoint("RIGHT", row, "RIGHT", 0, 0)
 end
 
 local function RefreshRecap()