fix: make dbt profile paths OS-dependent in tool descriptions and messages

Use `os.homedir()` + `path.join()` to compute the default `.dbt` directory
at runtime instead of hardcoding `~/.dbt/`. This renders correct paths on
both Unix (`/Users/x/.dbt`) and Windows (`C:\Users\x\.dbt`).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: anandgupta42

packages/opencode/src/altimate/tools/dbt-profiles.ts

@@ -1,13 +1,17 @@
 import z from "zod"
+import { homedir } from "os"
+import { join } from "path"
 import { Tool } from "../../tool/tool"
 import { Dispatcher } from "../native"
 import { isSensitiveField } from "../native/connections/credential-store"
 
+const DEFAULT_DBT_DIR = join(homedir(), ".dbt")
+
 export const DbtProfilesTool = Tool.define("dbt_profiles", {
   description:
-    "Discover dbt profiles from profiles.yml and map them to warehouse connections. Auto-detects Snowflake, BigQuery, Databricks, Postgres, Redshift, MySQL, DuckDB configurations. Searches: explicit path > DBT_PROFILES_DIR env var > project-local profiles.yml > ~/.dbt/profiles.yml.",
+    `Discover dbt profiles from profiles.yml and map them to warehouse connections. Auto-detects Snowflake, BigQuery, Databricks, Postgres, Redshift, MySQL, DuckDB configurations. Searches: explicit path > DBT_PROFILES_DIR env var > project-local profiles.yml > ${DEFAULT_DBT_DIR}/profiles.yml.`,
   parameters: z.object({
-    path: z.string().optional().describe("Explicit path to profiles.yml. If omitted, checks DBT_PROFILES_DIR, then project directory, then ~/.dbt/profiles.yml"),
+    path: z.string().optional().describe(`Explicit path to profiles.yml. If omitted, checks DBT_PROFILES_DIR, then project directory, then ${DEFAULT_DBT_DIR}/profiles.yml`),
     projectDir: z.string().optional().describe("dbt project root directory. Used to find project-local profiles.yml next to dbt_project.yml"),
   }),
   async execute(args, ctx) {
@@ -30,7 +34,7 @@ export const DbtProfilesTool = Tool.define("dbt_profiles", {
         return {
           title: "dbt Profiles: No connections found",
           metadata: { success: true, connection_count: 0 },
-          output: "No dbt profiles found. Ensure profiles.yml exists in your project directory, DBT_PROFILES_DIR, or ~/.dbt/.",
+          output: `No dbt profiles found. Ensure profiles.yml exists in your project directory, DBT_PROFILES_DIR, or ${DEFAULT_DBT_DIR}/.`,
         }
       }