From de4b8409d29ccbacb275b4225efd9c4b57426a95 Mon Sep 17 00:00:00 2001
From: psong <psong@caltech.edu>
Date: Mon, 17 Nov 2025 13:54:28 -0800
Subject: [PATCH 1/4] Bump to latest stable Lean version v4.25.0 with deps

---
 lakefile.lean  | 4 ++--
 lean-toolchain | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lakefile.lean b/lakefile.lean
index b466d88..7216878 100644
--- a/lakefile.lean
+++ b/lakefile.lean
@@ -422,8 +422,8 @@ extern_lib libleanffi pkg := do
   buildStaticLib (pkg.sharedLibDir / name) #[ct2O]
 
 
-require batteries from git "https://github.com/leanprover-community/batteries.git" @ "main"
-require aesop from git "https://github.com/leanprover-community/aesop" @ "master"
+require batteries from git "https://github.com/leanprover-community/batteries.git" @ "39260e31b7b3f7f05643da95242463b462dc05f1"
+require aesop from git "https://github.com/leanprover-community/aesop" @ "26e4c7c0e63eb3e6cce3cf7faba27b8526ea8349"
 
 meta if get_config? env = some "dev" then -- dev is so not everyone has to build it
 require «doc-gen4» from git "https://github.com/leanprover/doc-gen4" @ "main"
diff --git a/lean-toolchain b/lean-toolchain
index 58ae245..1d4c9d4 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.24.0
\ No newline at end of file
+leanprover/lean4:v4.25.0
\ No newline at end of file

From 3cdf5e8cabac0a13755a9d6accf3ab991b16b301 Mon Sep 17 00:00:00 2001
From: psong <psong@caltech.edu>
Date: Mon, 17 Nov 2025 14:10:40 -0800
Subject: [PATCH 2/4] Bump dep packages

---
 lake-manifest.json | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lake-manifest.json b/lake-manifest.json
index 78c1a37..54dbe9f 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -5,20 +5,20 @@
    "type": "git",
    "subDir": null,
    "scope": "",
-   "rev": "725ac8cd67acd70a7beaf47c3725e23484c1ef50",
+   "rev": "26e4c7c0e63eb3e6cce3cf7faba27b8526ea8349",
    "name": "aesop",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "master",
+   "inputRev": "26e4c7c0e63eb3e6cce3cf7faba27b8526ea8349",
    "inherited": false,
    "configFile": "lakefile.toml"},
   {"url": "https://github.com/leanprover-community/batteries.git",
    "type": "git",
    "subDir": null,
    "scope": "",
-   "rev": "8da40b72fece29b7d3fe3d768bac4c8910ce9bee",
+   "rev": "39260e31b7b3f7f05643da95242463b462dc05f1",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "main",
+   "inputRev": "39260e31b7b3f7f05643da95242463b462dc05f1",
    "inherited": false,
    "configFile": "lakefile.toml"}],
  "name": "LeanCopilot",

From 973f20b71cf1430c42b6d1e8553b297827c25df7 Mon Sep 17 00:00:00 2001
From: psong <psong@caltech.edu>
Date: Mon, 17 Nov 2025 14:11:03 -0800
Subject: [PATCH 3/4] fix: suggestion style is depracated

---
 LeanCopilot/Frontend.lean | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/LeanCopilot/Frontend.lean b/LeanCopilot/Frontend.lean
index b158982..476f465 100644
--- a/LeanCopilot/Frontend.lean
+++ b/LeanCopilot/Frontend.lean
@@ -30,13 +30,12 @@ def suggestion (tac : String) (msgs : MessageLog := {}) : TacticM Suggestion :=
       let e ← g.withContext do (PrettyPrinter.ppExpr goalType)
       str := str ++ Format.pretty ("\n⊢ " ++ e)
     pure (some str)
-  let style? := if goals.isEmpty then some .success else none
   let msg? ← msgs.toList.findM? fun m => do pure <|
     m.severity == MessageSeverity.information && (← m.data.toString).startsWith "Try this: "
   let suggestion ← match msg? with
   | some m => pure <| SuggestionText.string (((← m.data.toString).drop 10).takeWhile (· != '\n'))
   | none => pure <| SuggestionText.string tac
-  return { suggestion, postInfo?, style? }
+  return { suggestion, postInfo? }
 
 
 /-- Run a tactic, returning any new messages rather than adding them to the message log. -/

From 97e0684716ae7904bb2b7f87938fd0d21353c7ed Mon Sep 17 00:00:00 2001
From: psong <psong@caltech.edu>
Date: Mon, 17 Nov 2025 14:13:11 -0800
Subject: [PATCH 4/4] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5df5af2..81b564a 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ moreLinkArgs = ["-L./.lake/packages/LeanCopilot/.lake/build/lib", "-lctranslate2
 require LeanCopilot from git "https://github.com/lean-dojo/LeanCopilot.git" @ "LEAN_COPILOT_VERSION"
 ```
 
-For stable Lean versions (e.g., `v4.24.0`), set `LEAN_COPILOT_VERSION` to be that version. For the latest unstable Lean versions (e.g., `v4.25.0-rc1`), set `LEAN_COPILOT_VERSION` to `main`. In either case, make sure the version is compatible with other dependencies such as mathlib. If your project uses lakefile.toml instead of lakefile.lean, it should include:
+For stable Lean versions (e.g., `v4.25.0`), set `LEAN_COPILOT_VERSION` to be that version. For the latest unstable Lean versions (e.g., `v4.26.0-rc1`), set `LEAN_COPILOT_VERSION` to `main`. In either case, make sure the version is compatible with other dependencies such as mathlib. If your project uses lakefile.toml instead of lakefile.lean, it should include:
 
 ```toml
 [[require]]