go upgrade to 1.26.1

.github/workflows/e2e-tests.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4

.github/workflows/pr-tests.yml

@@ -64,7 +64,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4

.github/workflows/release-cli.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Run CLI tests
         working-directory: cli
@@ -77,7 +77,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Configure Git
         run: |

.github/workflows/release-pipeline.yml

@@ -78,7 +78,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -163,7 +163,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Docker Compose
         run: |
@@ -233,7 +233,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Docker Compose
         run: |
@@ -298,7 +298,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -343,7 +343,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -385,7 +385,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -437,7 +437,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -506,7 +506,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -590,7 +590,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -675,7 +675,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Configure Git
         run: |
@@ -773,7 +773,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -873,7 +873,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Set up Node.js
         uses: actions/setup-node@v4

.github/workflows/snyk.yml

@@ -54,7 +54,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Install Snyk CLI
         uses: snyk/actions/setup@master
@@ -107,7 +107,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.26"
+          go-version: "1.26.1"
 
       - name: Build
         run: make build

AGENTS.md

@@ -120,7 +120,7 @@ bifrost/
 │   └── (architecture|features|providers|mcp|plugins|enterprise|...)
 │
 ├── .claude/skills/                # Claude Code skill definitions (4 skills)
-├── go.work                        # Go workspace — requires Go 1.26
+├── go.work                        # Go workspace — requires Go 1.26.1
 ├── Makefile                       # Build, test, dev commands (1300+ lines)
 └── terraform/                     # Infrastructure as Code
 ```
@@ -142,7 +142,7 @@ go.work
 **Rules:**
 - Run `go mod tidy` in the **specific module directory**, not the root
 - Cross-module imports resolve via workspace locally, but need explicit `require` in `go.mod` for releases
-- The workspace requires **Go 1.26** (`go.work` directive)
+- The workspace requires **Go 1.26.1** (`go.work` directive)
 
 ---
 

Makefile

@@ -232,7 +232,7 @@ _build-with-docker: # Internal target for Docker-based cross-compilation
 				-e GOOS=$(TARGET_OS) \
 				-e GOARCH=$(TARGET_ARCH) \
 				 $(if $(LOCAL),,-e GOWORK=off) \
-				golang:1.26-alpine3.22 \
+				golang:1.26.1-alpine3.23 \
 				sh -c "apk add --no-cache gcc musl-dev && \
 				go build \
 					-ldflags='-w -s -X main.Version=v$(VERSION)' \
@@ -249,7 +249,7 @@ _build-with-docker: # Internal target for Docker-based cross-compilation
 				-e GOOS=$(TARGET_OS) \
 				-e GOARCH=$(TARGET_ARCH) \
 				 $(if $(LOCAL),,-e GOWORK=off) \
-				golang:1.26-alpine3.22 \
+				golang:1.26.1-alpine3.23 \
 				sh -c "apk add --no-cache gcc musl-dev && \
 				go build \
 					-ldflags='-w -s -extldflags "-static" -X main.Version=v$(VERSION)' \

cli/go.mod

@@ -1,6 +1,6 @@
 module github.com/maximhq/bifrost/cli
 
-go 1.26
+go 1.26.1
 
 require (
 	github.com/bytedance/sonic v1.15.0

cli/internal/runtime/sgr.go

@@ -0,0 +1,71 @@
+package runtime
+
+import (
+	"bytes"
+	"strconv"
+)
+
+// rewriteSGRParams converts colon-separated SGR sub-parameters to semicolon-
+// separated equivalents. Each semicolon-delimited group is processed:
+//
+//   - 4:x         -> 4          (underline style -> basic underline)
+//   - 38:2:cs:r:g:b -> 38;2;r;g;b (fg true-color, drop colorspace)
+//   - 48:2:cs:r:g:b -> 48;2;r;g;b (bg true-color, drop colorspace)
+//   - 38:5:n      -> 38;5;n     (fg 256-color)
+//   - 48:5:n      -> 48;5;n     (bg 256-color)
+//   - 58:...      -> (dropped - underline color, unsupported by vt10x)
+//   - other:x     -> other      (keep first sub-param only)
+func rewriteSGRParams(params []byte) []byte {
+	parts := bytes.Split(params, []byte{';'})
+	var out [][]byte
+	for _, part := range parts {
+		if !bytes.ContainsRune(part, ':') {
+			out = append(out, part)
+			continue
+		}
+		subs := bytes.Split(part, []byte{':'})
+		if len(subs) == 0 {
+			continue
+		}
+		code, err := strconv.Atoi(string(subs[0]))
+		if err != nil {
+			out = append(out, subs[0])
+			continue
+		}
+		switch code {
+		case 4: // underline style -> basic underline
+			out = append(out, []byte("4"))
+		case 38, 48: // fg/bg color
+			if len(subs) >= 2 {
+				switch string(subs[1]) {
+				case "2": // true-color: code:2[:cs]:r:g:b
+					// Find r,g,b - skip optional colorspace id.
+					if len(subs) >= 6 {
+						// code:2:cs:r:g:b
+						out = append(out, subs[0], []byte("2"), subs[3], subs[4], subs[5])
+					} else if len(subs) >= 5 {
+						// code:2:r:g:b (no colorspace)
+						out = append(out, subs[0], []byte("2"), subs[2], subs[3], subs[4])
+					} else {
+						out = append(out, subs[0])
+					}
+				case "5": // 256-color: code:5:n
+					if len(subs) >= 3 {
+						out = append(out, subs[0], []byte("5"), subs[2])
+					} else {
+						out = append(out, subs[0])
+					}
+				default:
+					out = append(out, subs[0])
+				}
+			} else {
+				out = append(out, subs[0])
+			}
+		case 58: // underline color - not supported by vt10x, drop entirely
+			continue
+		default:
+			out = append(out, subs[0])
+		}
+	}
+	return bytes.Join(out, []byte{';'})
+}

cli/internal/runtime/tabmgr.go

@@ -1527,71 +1527,6 @@ func sanitizeSGR(data []byte) []byte {
 	return result
 }
 
-// rewriteSGRParams converts colon-separated SGR sub-parameters to semicolon-
-// separated equivalents. Each semicolon-delimited group is processed:
-//
-//   - 4:x         → 4          (underline style → basic underline)
-//   - 38:2:cs:r:g:b → 38;2;r;g;b (fg true-color, drop colorspace)
-//   - 48:2:cs:r:g:b → 48;2;r;g;b (bg true-color, drop colorspace)
-//   - 38:5:n      → 38;5;n     (fg 256-color)
-//   - 48:5:n      → 48;5;n     (bg 256-color)
-//   - 58:...      → (dropped — underline color, unsupported by vt10x)
-//   - other:x     → other      (keep first sub-param only)
-func rewriteSGRParams(params []byte) []byte {
-	parts := bytes.Split(params, []byte{';'})
-	var out [][]byte
-	for _, part := range parts {
-		if !bytes.ContainsRune(part, ':') {
-			out = append(out, part)
-			continue
-		}
-		subs := bytes.Split(part, []byte{':'})
-		if len(subs) == 0 {
-			continue
-		}
-		code, err := strconv.Atoi(string(subs[0]))
-		if err != nil {
-			out = append(out, subs[0])
-			continue
-		}
-		switch code {
-		case 4: // underline style → basic underline
-			out = append(out, []byte("4"))
-		case 38, 48: // fg/bg color
-			if len(subs) >= 2 {
-				switch string(subs[1]) {
-				case "2": // true-color: code:2[:cs]:r:g:b
-					// Find r,g,b — skip optional colorspace id
-					if len(subs) >= 6 {
-						// code:2:cs:r:g:b
-						out = append(out, subs[0], []byte("2"), subs[3], subs[4], subs[5])
-					} else if len(subs) >= 5 {
-						// code:2:r:g:b (no colorspace)
-						out = append(out, subs[0], []byte("2"), subs[2], subs[3], subs[4])
-					} else {
-						out = append(out, subs[0])
-					}
-				case "5": // 256-color: code:5:n
-					if len(subs) >= 3 {
-						out = append(out, subs[0], []byte("5"), subs[2])
-					} else {
-						out = append(out, subs[0])
-					}
-				default:
-					out = append(out, subs[0])
-				}
-			} else {
-				out = append(out, subs[0])
-			}
-		case 58: // underline color — not supported by vt10x, drop entirely
-			continue
-		default:
-			out = append(out, subs[0])
-		}
-	}
-	return bytes.Join(out, []byte{';'})
-}
-
 // ─────────────────────────────────────────────────────────────────────────────
 // Frame-based rendering
 // ─────────────────────────────────────────────────────────────────────────────

core/go.mod

@@ -1,6 +1,6 @@
 module github.com/maximhq/bifrost/core
 
-go 1.26
+go 1.26.1
 
 require (
 	cloud.google.com/go v0.123.0

docs/benchmarking/run-your-own-benchmarks.mdx

@@ -23,7 +23,7 @@ Want to see Bifrost's performance in your specific environment? The [**Bifrost B
 
 Before running benchmarks, ensure you have:
 
-- **Go 1.23+** installed on your testing machine
+- **Go 1.26.1+** installed on your testing machine
 - **Bifrost instance** running and accessible
 - **Target API providers** configured (OpenAI, Anthropic, etc.)
 - **Network access** between benchmark tool and Bifrost