Line 1. on the first about the two 3.5 years periods, you'll find in Dan.8 a 2300 day period mentioned covering the time of sacrifice and transgression of desolation (AOD), basically meaning the whole prophecy. So count back from the very end of the second 3.5 years period 2300 days. (2300 minus 1260 days = 1040 into the first 3.5 years period. Then 1260 days of the first 3.5 year period minus 1040 days = 220 days). Certain events are to occur within the first 220 days of the start of the first 3.5 year period. Then other events between the 220 days and the end of 1260 days of the first 3.5 year period. Then the AOD is setup where you have it, and the latter 3.5 years begins.
Line 2. OK
Line 3. OK, but somewhere in the first period a new temple is built for those sacrifices to start again.
Line 4. I only see the mark being established in the latter 3.5 year period, in conjunction with the placing of the abomination of desolation idol, what is called the "image of the beast" in Rev.13. I believe when it is manifested it will be a mandatory mark required in relation to bowing to the false messiah.
Line 5.
the great falling away period will coincide with the abomination of desolation in place starting at the middle, i.e., after the first 3.5 years. In 2 Thess.2, the great falling away timing and the false one revealed as having come, are both within the same timing. It's actually the appearing of the pseudo-Christ in Jerusalem that will cause that falling away, i.e., the "strong delusion" of that chapter.
The timing of Armageddon, when Jesus will come to defeat the nations gathered around Israel will be on the last day, which you instead have happening during... the 3.5 years period. Their defeat will be very quick. like an instant, when Jesus appears coming in the clouds on the "day of the Lord", which on that day is when His thousand years reign will start.
During the thousand years, you have an idea there about age limit restored. Not sure what you mean by that. My understanding is that everyone alive on earth on the last day when Jesus comes, will be changed to the "spiritual body" Paul taught in 1 Cor.15 with the "last trump" sounding, the 7th of Rev.11 (see also Isaiah 25 about the idea of death swallowed in victory, who all it is to). Man's time in a flesh body will then be over forever. The wicked outside the gates of the holy city will still be subject to perish though, the "second death", and will be in that state throughout Christ's thousand years reign. Those are the nations outside the holy city which Christ with His elect will reign over with a rod of iron in that time (Rev.22:14-15 and Rev.20 and end of Zech.14).
6. All the seven seals, trumpets, and vials occur during the time of "great tribulation", which is the latter 3.5 years or 1260 days, or 42 months of Revelation. I do not hold to the idea that the seals, trumpets, and vials occur separate from each other. The seals of Rev.6 are the 7 signs our Lord Jesus gave in His Olivet Discourse of Matt.24, Mark 13, and Luke 21. There's only 7 main signs involved for the very end, and each of those 7 signs are shown in Revelation in 3 different ways.
The Garden of Eden conditions you have for the Millennium is actually for after that period, when God brings the new heavens and a new earth condition. Some events linked to God's Eden do begin to occur during Christ's thousand year reign, like God's River and the Tree of Life per Ezekiel 47 established with a sanctuary in Jerusalem. After that period there is no more sanctuary.
7. the 144,000 sealed of Israel represent Christ's elect, not some idea like "tribulation saints". I've tried to show many here that not all of those 144,000 represent Jews of the three tribed "house of Judah", but also the other tribes of the ten-tribed "house of Israel" which God scattered among the Gentiles, who among which The Gospel was preached after Christ was rejected and crucified in Jerusalem. These are Israelite believers on Christ Jesus sealed to make a stand through the tribulation, not unbelieving Jews that only turn to Jesus during the tribulation like many wrongly think. If you're sealed for the end, it is only by The Holy Spirit through Christ Jesus.
The "great multitude" of Rev.7 are also sealed for the tribulation, and represent Gentile believers on Christ Jesus. The view John is given of them in Rev.7 is of the time during Christ's Millennial reign.
You have the saints reigning over the 144,000 during Christ's Millennium. It's actually the 144,000 that reign with Jesus, along with those in Christ of the Gentiles in Rev.7. See Rev.14 about the 144,000 standing there with Jesus upon Mount Zion (Sion), and then compare with those in Rev.15.
8. You have the New Jerusalem with the time of Christ's coming, and you put that in the center which I don't think you meant that occurs at the mid point of the 7 years of Daniel's "one week". If you did mean that, then it means you maybe think to be raptured at that mid point, when there is no Scripture support for that idea.
The process of creating the new heavens and a new earth begins after Christ's thousand years reign, even though God's River and the Tree of Life will be established on earth prior, during the Millennium.