feat: agent color cfg (#4226)

Co-authored-by: 0xrin <0xrin1@protonmail.com>
Co-authored-by: GitHub Action <action@github.com>

packages/opencode/src/agent/agent.ts

@@ -16,6 +16,7 @@ export namespace Agent {
       builtIn: z.boolean(),
       topP: z.number().optional(),
       temperature: z.number().optional(),
+      color: z.string().optional(),
       permission: z.object({
         edit: Config.Permission,
         bash: z.record(z.string(), Config.Permission),
@@ -147,7 +148,7 @@ export namespace Agent {
           tools: {},
           builtIn: false,
         }
-      const { name, model, prompt, tools, description, temperature, top_p, mode, permission, ...extra } = value
+      const { name, model, prompt, tools, description, temperature, top_p, mode, permission, color, ...extra } = value
       item.options = {
         ...item.options,
         ...extra,
@@ -167,6 +168,7 @@ export namespace Agent {
       if (temperature != undefined) item.temperature = temperature
       if (top_p != undefined) item.topP = top_p
       if (mode) item.mode = mode
+      if (color) item.color = color
       // just here for consistency & to prevent it from being added as an option
       if (name) item.name = name
 

packages/opencode/src/cli/cmd/tui/context/local.tsx

@@ -90,6 +90,8 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
           })
         },
         color(name: string) {
+          const agent = agents().find((x) => x.name === name)
+          if (agent?.color) return agent.color
           const index = agents().findIndex((x) => x.name === name)
           return colors()[index % colors().length]
         },

packages/opencode/src/config/config.ts

@@ -355,6 +355,11 @@ export namespace Config {
       disable: z.boolean().optional(),
       description: z.string().optional().describe("Description of when to use the agent"),
       mode: z.union([z.literal("subagent"), z.literal("primary"), z.literal("all")]).optional(),
+      color: z
+        .string()
+        .regex(/^#[0-9a-fA-F]{6}$/, "Invalid hex color format")
+        .optional()
+        .describe("Hex color code for the agent (e.g., #FF5733)"),
       permission: z
         .object({
           edit: Permission.optional(),

packages/opencode/src/util/color.ts

@@ -0,0 +1,19 @@
+export namespace Color {
+  export function isValidHex(hex?: string): hex is string {
+    if (!hex) return false
+    return /^#[0-9a-fA-F]{6}$/.test(hex)
+  }
+
+  export function hexToRgb(hex: string): { r: number; g: number; b: number } {
+    const r = parseInt(hex.slice(1, 3), 16)
+    const g = parseInt(hex.slice(3, 5), 16)
+    const b = parseInt(hex.slice(5, 7), 16)
+    return { r, g, b }
+  }
+
+  export function hexToAnsiBold(hex?: string): string | undefined {
+    if (!isValidHex(hex)) return undefined
+    const { r, g, b } = hexToRgb(hex)
+    return `\x1b[38;2;${r};${g};${b}m\x1b[1m`
+  }
+}