Mistral FIM integration

kak/kakrc

@@ -59,3 +59,11 @@ lsp-enable
 
 lsp-inlay-diagnostics-enable global
 
+
+declare-option str fim_tmp "/tmp/kak-fim.buf"
+
+define-command fim-complete -docstring "FIM-Completion am Cursor (Mistral)" %{
+    write -force %opt{fim_tmp}
+    execute-keys "!python3 %val{config}/mistral-fim.py %opt{fim_tmp} %val{cursor_line} %val{cursor_column}<ret>"
+}
+map global user f ': fim-complete<ret>' -docstring 'FIM complete'

kak/mistral-fim.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+import json, os, sys, urllib.request
+
+buf, line, col = sys.argv[1], int(sys.argv[2]), int(sys.argv[3])
+CTX_BEFORE, CTX_AFTER = 120, 60          # Kontext-Budget in Zeilen
+
+lines = open(buf, encoding="utf-8").read().split("\n")
+before, cur, after = lines[:line-1], (lines[line-1] if line-1 < len(lines) else ""), lines[line:]
+
+prefix = "\n".join(before + [cur[:col-1]])
+suffix = "\n".join([cur[col-1:]] + after)
+prefix = "\n".join(prefix.split("\n")[-CTX_BEFORE:])   # nach hinten kappen
+suffix = "\n".join(suffix.split("\n")[:CTX_AFTER])
+
+body = json.dumps({
+    "model": "codestral-latest",
+    "prompt": prefix, "suffix": suffix,
+    "max_tokens": 96, "temperature": 0.2,
+}).encode()
+
+req = urllib.request.Request(
+    "https://api.mistral.ai/v1/fim/completions", data=body,
+    headers={"Authorization": "Bearer " + os.environ["MISTRAL_API_KEY"],
+             "Content-Type": "application/json"})
+try:
+    with urllib.request.urlopen(req, timeout=20) as r:
+        sys.stdout.write(json.load(r)["choices"][0]["message"]["content"])
+except Exception:
+    pass   # fail silent → leeres Insert