feat(e2b-execution): add remote code execution to support Python + Imports (#1226)

* feat(e2b-execution): add remote code execution via e2b

* ux improvements

* fix streaming

* progress

* fix tooltip text

* make supported languages an enum

* fix error handling

* fix tests

Author: icecrasher321

apps/sim/app/api/function/execute/route.test.ts

@@ -32,6 +32,14 @@ describe('Function Execute API Route', () => {
       createLogger: vi.fn().mockReturnValue(mockLogger),
     }))
 
+    vi.doMock('@/lib/execution/e2b', () => ({
+      executeInE2B: vi.fn().mockResolvedValue({
+        result: 'e2b success',
+        stdout: 'e2b output',
+        sandboxId: 'test-sandbox-id',
+      }),
+    }))
+
     mockRunInContext.mockResolvedValue('vm success')
     mockCreateContext.mockReturnValue({})
   })
@@ -45,6 +53,7 @@ describe('Function Execute API Route', () => {
       const req = createMockRequest('POST', {
         code: 'return "Hello World"',
         timeout: 5000,
+        useLocalVM: true,
       })
 
       const { POST } = await import('@/app/api/function/execute/route')
@@ -74,6 +83,7 @@ describe('Function Execute API Route', () => {
     it('should use default timeout when not provided', async () => {
       const req = createMockRequest('POST', {
         code: 'return "test"',
+        useLocalVM: true,
       })
 
       const { POST } = await import('@/app/api/function/execute/route')
@@ -93,6 +103,7 @@ describe('Function Execute API Route', () => {
     it('should resolve environment variables with {{var_name}} syntax', async () => {
       const req = createMockRequest('POST', {
         code: 'return {{API_KEY}}',
+        useLocalVM: true,
         envVars: {
           API_KEY: 'secret-key-123',
         },
@@ -108,6 +119,7 @@ describe('Function Execute API Route', () => {
     it('should resolve tag variables with <tag_name> syntax', async () => {
       const req = createMockRequest('POST', {
         code: 'return <email>',
+        useLocalVM: true,
         params: {
           email: { id: '123', subject: 'Test Email' },
         },
@@ -123,6 +135,7 @@ describe('Function Execute API Route', () => {
     it('should NOT treat email addresses as template variables', async () => {
       const req = createMockRequest('POST', {
         code: 'return "Email sent to user"',
+        useLocalVM: true,
         params: {
           email: {
             from: 'Waleed Latif <waleed@sim.ai>',
@@ -141,6 +154,7 @@ describe('Function Execute API Route', () => {
     it('should only match valid variable names in angle brackets', async () => {
       const req = createMockRequest('POST', {
         code: 'return <validVar> + "<invalid@email.com>" + <another_valid>',
+        useLocalVM: true,
         params: {
           validVar: 'hello',
           another_valid: 'world',
@@ -178,6 +192,7 @@ describe('Function Execute API Route', () => {
 
       const req = createMockRequest('POST', {
         code: 'return <email>',
+        useLocalVM: true,
         params: gmailData,
       })
 
@@ -200,6 +215,7 @@ describe('Function Execute API Route', () => {
 
       const req = createMockRequest('POST', {
         code: 'return <email>',
+        useLocalVM: true,
         params: complexEmailData,
       })
 
@@ -214,6 +230,7 @@ describe('Function Execute API Route', () => {
     it('should handle custom tool execution with direct parameter access', async () => {
       const req = createMockRequest('POST', {
         code: 'return location + " weather is sunny"',
+        useLocalVM: true,
         params: {
           location: 'San Francisco',
         },
@@ -245,6 +262,7 @@ describe('Function Execute API Route', () => {
     it('should handle timeout parameter', async () => {
       const req = createMockRequest('POST', {
         code: 'return "test"',
+        useLocalVM: true,
         timeout: 10000,
       })
 
@@ -262,6 +280,7 @@ describe('Function Execute API Route', () => {
     it('should handle empty parameters object', async () => {
       const req = createMockRequest('POST', {
         code: 'return "no params"',
+        useLocalVM: true,
         params: {},
       })
 
@@ -295,6 +314,7 @@ SyntaxError: Invalid or unexpected token
 
       const req = createMockRequest('POST', {
         code: 'const obj = {\n  name: "test",\n  description: "This has a missing closing quote\n};\nreturn obj;',
+        useLocalVM: true,
         timeout: 5000,
       })
 
@@ -338,6 +358,7 @@ SyntaxError: Invalid or unexpected token
 
       const req = createMockRequest('POST', {
         code: 'const obj = null;\nreturn obj.someMethod();',
+        useLocalVM: true,
         timeout: 5000,
       })
 
@@ -379,6 +400,7 @@ SyntaxError: Invalid or unexpected token
 
       const req = createMockRequest('POST', {
         code: 'const x = 42;\nreturn undefinedVariable + x;',
+        useLocalVM: true,
         timeout: 5000,
       })
 
@@ -409,6 +431,7 @@ SyntaxError: Invalid or unexpected token
 
       const req = createMockRequest('POST', {
         code: 'return "test";',
+        useLocalVM: true,
         timeout: 5000,
       })
 
@@ -445,6 +468,7 @@ SyntaxError: Invalid or unexpected token
 
       const req = createMockRequest('POST', {
         code: 'const a = 1;\nconst b = 2;\nconst c = 3;\nconst d = 4;\nreturn a + b + c + d;',
+        useLocalVM: true,
         timeout: 5000,
       })
 
@@ -476,6 +500,7 @@ SyntaxError: Invalid or unexpected token
 
       const req = createMockRequest('POST', {
         code: 'const obj = {\n  name: "test"\n// Missing closing brace',
+        useLocalVM: true,
         timeout: 5000,
       })
 
@@ -496,6 +521,7 @@ SyntaxError: Invalid or unexpected token
       // This tests the escapeRegExp function indirectly
       const req = createMockRequest('POST', {
         code: 'return {{special.chars+*?}}',
+        useLocalVM: true,
         envVars: {
           'special.chars+*?': 'escaped-value',
         },
@@ -512,6 +538,7 @@ SyntaxError: Invalid or unexpected token
       // Test with complex but not circular data first
       const req = createMockRequest('POST', {
         code: 'return <complexData>',
+        useLocalVM: true,
         params: {
           complexData: {
             special: 'chars"with\'quotes',