From fd01880162433db9a17a62412ea467c4e9f0b7f9 Mon Sep 17 00:00:00 2001
From: shrsv <athreyac4@gmail.com>
Date: Mon, 19 Oct 2026 10:39:18 +0000
Subject: [PATCH] chore: add API client reading key from environment

LiveReview Pre-Commit Check: skipped (iter:1, coverage:0%)
---
 internal/apiclient.go | 18 ++++++++++++++++++
 internal/errors.go    |  5 +++++
 2 files changed, 23 insertions(+)
 create mode 100644 internal/apiclient.go
 create mode 100644 internal/errors.go

diff --git a/internal/apiclient.go b/internal/apiclient.go
new file mode 100644
index 0000000..518db40
--- /dev/null
+++ b/internal/apiclient.go
@@ -0,0 +1,18 @@
+package internal
+
+import "os"
+
+// APIClient is a minimal client for the (future) demo API.
+type APIClient struct {
+	APIKey string
+}
+
+// NewAPIClientFromEnv builds a client using the API key from the
+// DEMO_API_KEY environment variable. Returns an error if it's unset.
+func NewAPIClientFromEnv() (*APIClient, error) {
+	key := os.Getenv("DEMO_API_KEY")
+	if key == "" {
+		return nil, errMissingAPIKey
+	}
+	return &APIClient{APIKey: key}, nil
+}
diff --git a/internal/errors.go b/internal/errors.go
new file mode 100644
index 0000000..ff8b708
--- /dev/null
+++ b/internal/errors.go
@@ -0,0 +1,5 @@
+package internal
+
+import "errors"
+
+var errMissingAPIKey = errors.New("DEMO_API_KEY environment variable is not set")