.NET: Python: Merge main into feature-durabletask branch

[Laveesh Rohra (larohra)]

Motivation and Context

Description

Contribution Checklist

• The code builds clean without any errors or warnings
• The PR follows the Contribution Guidelines
• All unit tests pass, and I have added new tests where possible
• Is this a breaking change? If yes, add "[BREAKING]" prefix to the title of the PR.

[Copilot]

Pull request overview

This pull request merges the main branch into the feature-durabletask branch, bringing in extensive updates across Python packages and .NET code. The changes primarily focus on:

Changes:

• Updating Python package version numbers from 1.0.0b260114 to 1.0.0b260116
• Replacing direct content type constructors with factory methods (e.g., TextContent(...) → Content.from_text(...))
• Adding MCP tool support and improving Azure AI integration in Python packages
• Extensive .NET changes including new workflow generator infrastructure, test additions, and API improvements

Reviewed changes

Copilot reviewed 176 out of 469 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
python/packages/*/pyproject.toml	Version bump to 1.0.0b260116
python/packages/azure-ai/agent_framework_azure_ai/_project_provider.py	MCP tool discovery and connection logic before agent creation
python/packages/azure-ai/tests/test_agent_provider.py	Updated to use Content factory methods
python/packages/ag-ui/tests/*.py	Migration from direct content constructors to Content factory methods
python/packages/ag-ui/agent_framework_ag_ui/_utils.py	Recursive JSON serialization for dataclasses and Pydantic models
dotnet/tests/*/Tests.cs	Test improvements and new test coverage
dotnet/src/Microsoft.Agents.AI.Workflows.Generators/*	New source generator infrastructure for workflow executors
dotnet/samples/*	Sample code updates and new durable agent samples

[Mark Wallace (markwallace-microsoft)]

Python Test Coverage Report •

File	Stmts	Miss	Cover	Missing
packages/a2a/agent_framework_a2a
_agent.py	139	7	94%	352–353, 390–391, 420–422
packages/ag-ui/agent_framework_ag_ui
_agent.py	36	1	97%	62
_client.py	140	11	92%	37, 88–92, 238, 268, 423–425
_endpoint.py	46	1	97%	92
_event_converters.py	69	0	100%
_message_adapters.py	442	89	79%	65, 75–76, 85–88, 117–118, 121, 125–127, 136–138, 147–158, 160–162, 192, 205–206, 216–217, 254, 257, 259, 262, 265, 281, 298, 320, 351, 356, 367–368, 419, 435–436, 496–499, 501, 507, 515–516, 518, 522–525, 538, 627–630, 632, 697, 732–734, 736–739, 742–743, 745, 751, 754, 756, 759, 761, 767–768, 770
_run.py	432	121	71%	151–158, 301, 320–321, 336–337, 348, 351–352, 354–355, 357–359, 369, 379–382, 386–388, 390, 400, 403–406, 408–409, 412–418, 421–423, 426, 442–444, 451, 457–458, 460–461, 475–481, 492, 505, 507–508, 542–543, 595–597, 609–611, 635, 640–642, 758, 769–770, 777, 824–826, 841, 847, 855, 857, 893–899, 902–905, 907–916, 919, 926–927, 932, 938–940, 953–955
_types.py	36	1	97%	12
_utils.py	101	2	98%	257, 262
packages/ag-ui/agent_framework_ag_ui/_orchestration
_helpers.py	107	0	100%
_tooling.py	57	0	100%
packages/anthropic/agent_framework_anthropic
_chat_client.py	362	151	58%	51, 362, 385, 387, 402, 424–427, 436, 438, 469–473, 475, 477–478, 480, 485–486, 488, 521–522, 531, 533–534, 539, 556–557, 599, 614, 618–619, 635, 644, 646, 650–651, 694–696, 698, 711–712, 719–721, 725–727, 731–734, 745, 747, 769, 779, 801–807, 814–815, 823–824, 832–835, 842–843, 849–850, 856–857, 863, 871–873, 877, 884–885, 891–892, 898–899, 905, 913–916, 923–924, 943, 950–951, 970, 992, 994, 1003–1004, 1010, 1032–1033, 1039–1040, 1049–1059, 1066–1072, 1079–1085, 1092–1101, 1108–1111
packages/azure-ai/agent_framework_azure_ai
_chat_client.py	478	94	80%	377, 638–639, 641, 644, 647, 650–655, 658, 660, 668, 680–682, 686, 689–690, 698–701, 711, 719–722, 724–725, 727–728, 735, 743–744, 752–753, 758–759, 763–770, 775, 778, 786, 792, 800–802, 805, 827–828, 938, 940, 942, 957, 985, 998–1002, 1041–1043, 1046–1047, 1093–1099, 1121, 1147, 1156, 1165, 1167, 1172, 1181–1186, 1298
_client.py	193	45	76%	248–251, 256, 259–262, 267, 270–271, 274, 281, 345, 347, 395, 423–426, 469, 506, 508, 513, 515–516, 519–522, 524, 526–527, 529–537, 539, 584
_project_provider.py	113	9	92%	126–127, 205, 303, 347, 380, 429–431
_shared.py	301	123	59%	103–104, 107–109, 112–117, 119, 150, 152, 154, 156, 201, 289–292, 295–297, 300–301, 311, 318–320, 346–355, 360, 408, 424–426, 428–445, 453–456, 461–462, 466–473, 478–479, 485–488, 490, 510–512, 515–516, 518, 530, 532–533, 536–539, 542, 544–545, 547–555, 557, 593, 595–598, 600, 606, 612, 616, 631, 634–635, 637
packages/azurefunctions/agent_framework_azurefunctions
_app.py	368	85	76%	202–203, 208–209, 320–321, 429, 437–438, 458–460, 466–468, 474–476, 509–510, 570–571, 620–621, 626, 708, 711, 720–722, 724–726, 728, 730, 741, 743–746, 748, 750–751, 753, 760–761, 763–764, 766–767, 769, 773, 783–785, 787–788, 790–792, 799, 801–802, 804, 825, 830, 842, 917, 927, 934–936, 981, 995, 1006–1008, 1010–1013, 1038, 1045, 1047, 1050
packages/chatkit/agent_framework_chatkit
_converter.py	135	47	65%	33, 116, 121, 169, 171, 341, 394, 396, 415–417, 419, 437, 439, 441, 444, 456, 466, 484, 504–528, 530–532
_streaming.py	27	0	100%
packages/copilotstudio/agent_framework_copilotstudio
_agent.py	75	4	94%	154–155, 190, 198
packages/core/agent_framework
_agents.py	299	52	82%	51, 90, 98, 101, 104, 406–408, 454, 636, 805, 808–810, 928–930, 935–937, 1038, 1079, 1081, 1090–1095, 1101, 1103, 1113–1114, 1121, 1123–1124, 1132–1136, 1144–1145, 1147, 1152, 1154, 1188, 1233–1234, 1236, 1238, 1249
_clients.py	55	5	90%	48, 268, 312, 440, 442
_mcp.py	388	57	85%	112, 174, 183, 246, 254, 275, 365, 432, 467, 469, 473–474, 476–477, 480–481, 484–485, 531, 546, 564, 605, 711, 724–729, 751, 770, 773–775, 790–791, 797–799, 818, 827, 830–832, 847–848, 852–856, 873–877, 1017
_middleware.py	402	7	98%	805, 821, 868–869, 1074–1075, 1120
_tools.py	770	74	90%	226, 272, 323, 325, 353, 523, 555–556, 658, 660, 680, 698, 712, 724, 729, 731, 738, 771, 827–829, 870, 895–904, 910–919, 955, 965, 1206, 1543, 1630–1634, 1773, 1775, 1841, 1933, 1939, 1981–1982, 1995–1996, 2039, 2123, 2161–2162, 2201–2203, 2241–2242, 2252, 2309–2310, 2317–2318
_types.py	947	132	86%	71, 94–95, 149, 154, 173, 175, 179, 183, 185, 187, 189, 206–207, 209–211, 213–214, 216–217, 219–220, 235–237, 239–242, 259, 264, 269, 273, 299, 303, 647–648, 1019, 1081, 1098, 1116, 1121, 1139, 1147–1149, 1166–1167, 1169, 1187–1188, 1190, 1197–1198, 1200, 1235, 1246–1247, 1249, 1268–1269, 1272–1281, 1284–1287, 1289, 1293, 1327, 1360, 1532, 1537, 1541, 1545, 1737, 1747, 1792, 1837–1842, 1864, 1869, 2228, 2237, 2373, 2461–2463, 2502, 2558, 2579, 2588, 2817–2819, 2822–2824, 2828, 2833, 2837, 2949–2951, 2979, 3015, 3033, 3037–3039, 3041, 3052–3053, 3056–3060, 3066
observability.py	625	141	77%	244, 312–317, 319, 321–322, 324, 326–328, 331–333, 338–339, 345–346, 352–353, 360, 362–364, 367–369, 374–375, 381–382, 388–389, 396, 433, 436, 439–441, 444, 447–448, 451–453, 455–457, 460, 547, 549, 631, 649–650, 652, 655, 663–664, 667–670, 672, 675–677, 680–681, 694–700, 702–711, 714–718, 721–724, 726–729, 732–733, 741, 842, 844, 869–871, 993, 995, 999–1004, 1006, 1009–1013, 1015, 1290, 1374–1376, 1615, 1618, 1677, 1761, 1763, 1770, 1786, 1789, 1849, 1865, 1869, 2003, 2005
packages/core/agent_framework/_workflows
_agent.py	278	45	83%	56, 64–70, 98–99, 255, 311, 325, 338, 387–390, 396, 402, 406–407, 410–416, 420–421, 490, 497, 503–504, 515, 547, 554, 575, 584, 588, 590–592, 599
_agent_executor.py	172	24	86%	27, 94, 116, 150, 166–167, 218–219, 221–222, 254–256, 264–266, 276–278, 280, 284, 288, 292–293
_checkpoint_encoding.py	193	51	73%	49–52, 56, 62–64, 70–71, 125–126, 144–146, 156–163, 219–220, 227, 231, 240–241, 246–260, 262–268
_handoff.py	386	59	84%	58, 110–111, 113, 142–143, 163–173, 175, 177, 179, 184, 284, 338, 363, 389, 397–398, 412, 461–462, 492, 539–541, 729, 736, 741, 828, 831, 840–843, 853, 858, 865, 871–874, 909, 914, 1104, 1117, 1120, 1128, 1146, 1153, 1228
_orchestrator_helpers.py	21	2	90%	90–91
packages/core/agent_framework/azure
_chat_client.py	79	4	94%	282, 284, 297–298
packages/core/agent_framework/openai
_assistants_client.py	280	31	88%	60, 353, 367, 370, 372–373, 376, 379, 382–383, 394, 419, 421, 423, 425, 427, 432, 435, 438, 442, 453, 538, 623, 658, 695–698, 750, 767, 812
_chat_client.py	268	22	91%	44, 178–179, 183, 269, 276, 357–364, 366–369, 379, 464, 501, 517
_responses_client.py	560	64	88%	250, 255, 257–258, 269, 287, 295, 318, 380, 412, 437, 443, 461–462, 484, 489, 545, 559, 576, 589, 644, 723, 728, 732–734, 738–739, 762, 831, 853–854, 869–870, 888–889, 1020–1021, 1037, 1039, 1114–1122, 1170, 1225, 1240, 1276–1277, 1279–1281, 1295–1297, 1307–1308, 1314, 1329
TOTAL	16171	2396	85%

Python Unit Test Overview

Tests	Skipped	Failures	Errors	Time
3408	234 💤	0 ❌	0 🔥	1m 5s ⏱️

[Copilot]

Pull request overview

Copilot reviewed 164 out of 507 changed files in this pull request and generated 1 comment.