chore: replacing gemini-1.5-* with gemini-2.5-* where appropriate (#3771)

Author: pavelgj

.gitignore

@@ -64,3 +64,4 @@ next-env.d.ts
 
 # Code Coverage
 js/plugins/compat-oai/coverage/
+.firebaserc

go/genkit/genkit.go

@@ -556,7 +556,7 @@ func LookupTool(g *Genkit, name string) ai.Tool {
 //	// Define the prompt
 //	capitalPrompt := genkit.DefinePrompt(g, "findCapital",
 //		ai.WithDescription("Finds the capital of a country."),
-//		ai.WithModelName("googleai/gemini-1.5-flash"), // Specify the model
+//		ai.WithModelName("googleai/gemini-2.5-flash"), // Specify the model
 //		ai.WithSystem("You are a helpful geography assistant."),
 //		ai.WithPrompt("What is the capital of {{country}}?"),
 //		ai.WithInputType(GeoInput{Country: "USA"}),

go/samples/prompts-dir/prompts/example.prompt

@@ -1,5 +1,5 @@
 ---
-model: googleai/gemini-1.5-flash
+model: googleai/gemini-2.5-flash
 config:
   temperature: 0.9
 input:

js/doc-snippets/src/dotprompt/index.ts

@@ -153,7 +153,7 @@ function fn09() {
   // [START definePromptTempl]
   const myPrompt = ai.definePrompt({
     name: 'myPrompt',
-    model: 'googleai/gemini-1.5-flash',
+    model: 'googleai/gemini-2.5-flash',
     input: {
       schema: z.object({
         name: z.string(),
@@ -168,7 +168,7 @@ function fn10() {
   // [START definePromptFn]
   const myPrompt = ai.definePrompt({
     name: 'myPrompt',
-    model: 'googleai/gemini-1.5-flash',
+    model: 'googleai/gemini-2.5-flash',
     input: {
       schema: z.object({
         name: z.string(),

js/doc-snippets/src/dotprompt/prompts/ex01.prompt

@@ -1,5 +1,5 @@
 ---
-model: googleai/gemini-1.5-flash
+model: googleai/gemini-2.5-flash
 config:
   temperature: 0.9
 input:

js/doc-snippets/src/dotprompt/prompts/ex02.prompt

@@ -1,4 +1,4 @@
 ---
-model: vertexai/gemini-1.5-flash
+model: vertexai/gemini-2.5-flash
 ---
 You are the world's most welcoming AI assistant. Greet the user and offer your assistance.

js/doc-snippets/src/dotprompt/prompts/ex03.prompt

@@ -1,5 +1,5 @@
 ---
-model: googleai/gemini-1.5-flash
+model: googleai/gemini-2.5-flash
 config:
   temperature: 1.4
   topK: 50

js/doc-snippets/src/dotprompt/prompts/ex04.prompt

@@ -1,5 +1,5 @@
 ---
-model: googleai/gemini-1.5-flash
+model: googleai/gemini-2.5-flash
 input:
   schema:
     theme?: string

js/doc-snippets/src/dotprompt/prompts/ex05.prompt

@@ -1,5 +1,5 @@
 ---
-model: googleai/gemini-1.5-flash
+model: googleai/gemini-2.5-flash
 input:
   schema:
     theme?: string

js/doc-snippets/src/dotprompt/prompts/ex06.prompt

@@ -1,5 +1,5 @@
 ---
-model: vertexai/gemini-1.5-flash
+model: vertexai/gemini-2.5-flash
 input:
   schema:
     userQuestion: string